SR-22 After Selling Your Car & Interlock Rules (2026)

1. The Rule in One Sentence: the SR-22 Follows the Licence, the IID Follows the Driver

Almost every expensive mistake on this page comes from treating an SR-22 and an IID as if they were the same kind of thing. They are not. An SR-22 is a piece of paper — the California Insurance Proof Certificate — that your insurer files with the DMV to prove you carry at least California’s minimum liability coverage. It is attached to your driving record. An IID is a physical device, bolted into a specific car, that enforces a restriction printed on your licence: you may only drive a vehicle equipped with a functioning, certified device. Sell the car and the paper survives untouched while the device has nowhere to live. That asymmetry drives everything below.

Start with the SR-22 side, because it is the simpler half. California’s proof-of-financial-responsibility law requires proof on file, usually for three years from the first date you file insurance to end the action (DMV form DL 300, revised December 2024, uses the word “usually” — it is not an absolute). For a DUI, the DMV’s own first-offender guidance states the rule more sharply: full reinstatement requires maintaining the SR-22 for three years, measured from reinstatement or from the issuance of a restricted licence, not from the arrest or conviction date. For a financial-responsibility (uninsured-accident) suspension, the picture is measured differently again: the suspension can run up to four years, the licence can return during the last three years if an SR-22 is filed and maintained during that period, and the DMV’s DL 691 form for that restricted path measures the filing as a total of four years from the suspension effective date. Our SR-22 cost guide works through both measurements in full; this guide uses them only where a sale touches them. The point for a seller is narrower and absolute: none of those clocks is tied to a car. Selling, totalling, donating, or repossessing the car does not move any of them.

The IID side is driver-wide in a different way. Vehicle Code section 23575.3(a) requires a functioning, certified device “on any vehicle that the person operates,” and section 23575.3(o)(2) defines “operates” to include operating a vehicle the person does not own. So the restriction is not “this car must have a device” — it is “you, the driver, may only operate device-equipped vehicles.” Sell your car and the restriction does not shrink to fit the cars you have left, because you have none. It waits, in full, for the next car you operate. The DMV’s Statewide IID Pilot Program page says the same thing in plainer language: offenders who install an IID may drive anytime or anywhere, as long as the vehicle is equipped with an IID — and, by the same logic, nowhere and never in a vehicle that is not.

One more distinction before the steps: the SR-22 and the IID are separate requirements that often run at the same time, and satisfying one never satisfies the other. The DMV’s IID pilot page lists a California Insurance Proof Certificate (SR-22) as a prerequisite for an IID-restricted licence, alongside installation, DUI programme proof, and fees. So a driver who has just sold a car may need to do two things in the same week — re-file the SR-22 as a non-owner certificate and move or remove the IID — and doing only the first leaves the second fully outstanding. Keep them in separate columns in your head, and in your calendar, all the way through this guide.

2. The SR-22 After the Sale: Swap the Certificate, Never Cancel First

The SR-22 half of a sale is a certificate swap, and the swap has exactly one safe order. First, get a non-owner SR-22 policy quoted and bound. Second, confirm the new filing shows on your DMV record. Third — only third — cancel the old owner policy. Every source that describes this switch well, from the DMV’s own cancellation language to the specialist guides, agrees on that sequence, and the statute explains why: Vehicle Code section 16483 expressly contemplates DMV cancelling an old certificate “upon the substitution and acceptance of other adequate proof.” Substitution is the lawful move. A gap is not a substitution; it is a cancellation, and cancellations have consequences spelled out in the next section.

What you are switching to has a name worth knowing, because DMV paperwork uses it. California insurers describe three certificate types: an owner’s certificate (vehicles you own), an operator’s certificate (vehicles you do not own — this is the non-owner SR-22, sometimes written “Operators Certificate”), and an operator-owner’s certificate (both). The DMV’s own Fast Facts 18 form uses the same distinction in its own words, contrasting “broad coverage” (operator) forms with “owner’s policy” forms. If a quote, a notice, or a DMV letter says “Operator’s Certificate,” it means the non-owner filing this section describes — not a different product, and not a lesser filing. It proves the same minimum liability coverage: $30,000 per person, $60,000 per accident, and $15,000 for property damage, the limits in force since January 1, 2025 under SB 1107 (Vehicle Code section 16430). Those limits are scheduled to rise again on January 1, 2035, to $50,000, $100,000, and $25,000 — a date worth knowing so this page does not go stale silently, but not a figure that changes anything about a 2026 sale.

Two practical warnings belong in this section, because they are where sellers actually get hurt. First, not every insurer writes non-owner policies, so do not assume your current carrier can do the swap; if it cannot, you need a carrier or specialist broker that can, and the search must happen before the old policy ends, not after. Second, the new filing must be filed by the insurer, electronically, with the DMV — you cannot file an SR-22 yourself, and a policy document in your inbox is not a filing until the DMV shows it. Ask the insurer for confirmation that the filing was accepted, and check your own DMV record before you cancel anything. “Usually within 24 to 48 hours” is a typical insurer timeline quoted on our parent SR-22 guide; it is not a DMV processing guarantee, and this guide does not repeat it as one.

3. The Clock After a Sale: What Keeps Running, What Stops, and What Nobody Can Promise You

This is the section where most competitor pages go wrong, so it is written with unusual care. There are three different questions people mean when they ask about “the clock,” and they have three different answers. First: does selling the car, by itself, restart, pause, or extend the SR-22 period? No statute reviewed for this guide says that a sale, with no lapse in coverage, breaks continuity — and Vehicle Code section 16483’s substitution rule points the other way: an old certificate is cancelled upon the substitution and acceptance of other adequate proof, which is exactly what a clean owner-to-non-owner switch is. So a clean switch, with no gap, should not break continuity. The honest qualifier is that “should not” rests on the substitution rule plus convergent specialist guidance, not on a sentence in the Vehicle Code that says “a sale does not restart the clock.” Confirm the new filing on your record (step 6 above) rather than assuming the point.

Second: what happens if there is a gap — if the old policy is cancelled before the new filing is active? Here the statute is exact, and this guide prints it exactly. Vehicle Code section 16433 requires that, if the liability policy cited in a certificate has been cancelled, the DMV “shall be notified in writing within 10 days after the cancellation of insurance becomes final.” Vehicle Code section 16484 then provides that when proof of financial responsibility no longer fulfils its purpose, the DMV “shall suspend the privilege of the person to operate a motor vehicle,” and that the suspension “shall remain in effect until adequate proof of financial responsibility is filed.” The DMV’s own termination-of-action form, DL 4006, says the same thing in plainer words: if your insurance is cancelled before California’s proof filing requirement has ended, your driving privilege can be suspended until a new insurance certificate has been received and approved. Note what none of those sources says: none of them states a restart formula, a grace period, or a number of hours. Our parent SR-22 guide once printed “typically within ~15 days” for the insurer’s notice, and our SR-22 cost guide corrected it to the statute’s 10 days; this guide prints 10 days and names the 15-day figure as an error wherever it appears.

Third: how long is the period, in the first place? Do not accept a flat number. For DUI cases, three years from reinstatement or restricted-licence issuance is the DMV’s stated rule. For financial-responsibility cases, the Handbook describes an uninsured-collision suspension of up to four years with the licence returnable during the last three years on a maintained SR-22, and DL 691 measures that restricted path as four years from the suspension date. Form DL 300 says “usually” three years from the first date you file insurance to end the action. A court order in an individual case can also set a longer period, and a new offence can create a new filing duty. The safe sentence for your own case is always the one on your DMV notice, checked against the DMV record — not the number on a blog’s headline. Two related myths die here as well: there is no “five-year SR-22 for repeat DUI” as a filing rule (that figure confuses suspension length with filing length, as our cost guide explains), and there is no verified “up to ten years for reckless driving” filing rule in any DMV source found for this guide.

Reinstatement after a lapse also has a price, and it is worth naming because sellers budget for it badly. The DMV’s reissue fees, verified on the DMV’s own fee pages for our cost guide, are $125 for an Admin Per Se (APS) reissue for drivers 21 and over, $55 for a conviction or financial-responsibility reissue, and a $15 DMV admin fee line, with a separate $250 financial-responsibility penalty fee on that restricted path. Those are DMV lines, not insurer charges, and they sit on top of whatever your new policy costs. The full fee stack, with the insurer filing fee treated as a disagreement rather than a single figure, is in the cost guide; this guide’s point is narrower — a gap around a sale is not free even when the new filing itself costs the DMV nothing.

4. The Non-Owner SR-22: What It Covers, What It Excludes, and the Traps Inside It

A non-owner SR-22 is liability coverage that follows you, the driver, instead of insuring a specific car. It exists for exactly the situation this guide is about: a driver who must prove financial responsibility but does not currently own a car. It covers you, at least at the 30/60/15 minimums, when you occasionally drive a car you do not own — a borrowed car, a rental car in the ordinary case. It does not insure any vehicle, it does not pay for damage to the car you are driving, and it does not cover a car you own or a car you regularly use. Those three exclusions are where non-owner buyers get into trouble, because each one looks like a technicality until it becomes a denied claim or a DMV finding.

The owned-car exclusion is absolute: the day you buy a car, the non-owner policy stops being the right filing for that car. You must switch back to an owner’s certificate that covers the new vehicle, and the same no-gap order applies in reverse — new owner filing active before the non-owner filing is cancelled, on the day ownership transfers. Driving your newly bought car home on the non-owner filing, on the theory that “the SR-22 is already on file,” is driving a car you own without the filing that covers it. The regularly-used-car exclusion is subtler and more common: if you live with someone whose car you drive every day, or you borrow the same car week after week, most carriers will require that vehicle to be insured on a policy with the SR-22 attached, or require you to be listed as a driver on that car’s policy, instead of a non-owner filing. “I don’t own it” is not the test; “I don’t regularly use it” is much closer to it, and your insurer’s written answer for your exact household arrangement is the only one that matters. Ask for it in writing before you rely on a non-owner filing for a household car.

Two more traps deserve their own paragraphs because competitors blur them. First, a non-owner SR-22 is liability only. It does not provide collision or comprehensive cover for the borrowed or rented car itself, and it does not pay your medical bills; if the car’s owner expects their own policy to pay first, that is usually how the layering works — the owner’s policy is primary for that car, and your non-owner liability sits behind it. Read the policy for the layering; do not assume it. Second, a non-owner SR-22 says nothing about work driving. One competitor page claims a non-owner filing covers a company vehicle; that claim conflicts with the narrower occasional-use framing every other source uses, and with the separate rule that an employer provides its own proof for an employer-owned vehicle. If you drive for work, confirm employer-vehicle coverage with your insurer and with the DMV separately — and if you also hold an IID restriction, read section 7 before you drive any work vehicle at all, because the DL 923 employer rule is a different rule with different paperwork.

If you are not driving at all after the sale, the honest fork is this: nobody will come after you for failing to file while you stay home, because the SR-22 is a condition of reinstatement, not a standalone penalty for sitting on your sofa. But your licence stays suspended for the whole time no proof is on file, and the filing period does not run while it is not on file — so waiting two years and then filing still leaves you owing the filing period from that filing date. For most sellers, filing a non-owner SR-22 promptly, even with no car, is the cheaper and faster route to eligibility than waiting, because it starts the clock and preserves continuity. The exception is a driver who genuinely does not need to drive for a long time and would rather not pay for a policy they will not use; that is a real choice, but it must be made knowing the licence stays suspended and the clock stays still.

Finally, if you do not own a car at all — not because you sold one, but because you never had one — everything in this section applies unchanged. The DMV does not require you to own a car before you file proof; it requires proof before it returns your privilege. And if you cannot get a standard carrier to write the filing, California has two names worth knowing and no more detail than this guide prints: the Low Cost Automobile Insurance Program (mylowcostauto.com, 1-866-602-8861) and the California Automobile Assigned Risk Plan (CAARP), which guarantees coverage when standard insurers decline high-risk drivers. Our cost guide names them with the same caution used here: names and contacts only, never an eligibility promise for your case, because most SR-22 triggers fail the low-cost programme’s tests and this guide does not print its thresholds.

5. The IID After the Sale: Installer-Only Removal, DL 922, and the Three-Working-Day Filing

The IID half of a sale has a procedure, and the procedure lives in the DMV’s Ignition Interlock Device Program Handbook, DL 919. It is an older handbook — its form revisions date to 2015 — but its form numbers still match the current DMV programme pages, and no newer transfer procedure was found on dmv.ca.gov for this guide. Read this section with that caution attached: form numbers and deadlines are the handbook’s, and your installer and the Mandatory Actions Unit confirm the current revision for your case. What the handbook gives you, and what no competitor page gives you, is a named, sequenced transfer instead of “call your provider and see.”

First, the removal itself. An IID may be removed or installed only by an authorized, certified installer. The handbook’s change-of-manufacturer section states the principle in terms that apply to every transfer: if the device is not removed by the installer, damage to the device or its internal log may occur and can be considered an attempt to tamper with or bypass the device, and the removed device should be immediately returned to the applicable installer, with legal action possible for failure to return it. Removing the device yourself before a sale — pulling the wiring, asking a mechanic friend, handing the buyer a car with the device still wired in and a promise to “sort it out later” — is the single most dangerous move in this guide. The DMV’s pilot page and Vehicle Code section 23575.3(f)(2) require the installer to notify the DMV if the device is removed, if removal, bypass, or tampering is attempted, or if the driver fails three or more times to comply with maintenance or calibration. The handbook’s noncompliance chapter is blunter: a participant is deemed noncompliant if the IID is removed prior to the termination date of the restriction, if removal, bypass, or tampering is attempted, or if maintenance or calibration is failed three or more times. A documented installer removal as part of a transfer is not the same thing as an early removal to drive unrestricted — but only the documented, installer-handled version is safe, and the difference is the paperwork in the next paragraph.

That paperwork is form DL 922, and the sale splits into two cases. Case one, the common one: you sell one car and buy another. Removing the IID from the first vehicle and reinstalling it in another vehicle operated by the same participant is recorded in Section 2 of form DL 922 — the first portion identifies the vehicle the device was removed from, the second portion identifies the vehicle it was reinstalled in. The installer faxes a copy of the DL 922 to the Mandatory Actions Unit within three working days to update your driving record, and mails the original to the Unit. When removal and installation are simultaneous, the handbook’s transfer section adds a detail worth following exactly: the DL 920 (Verification of Installation) and the DL 922 should be stapled together and submitted to the DMV to demonstrate that IID coverage was uninterrupted. When removal and installation are not simultaneous, the handbook is equally explicit about the consequence, and it is the rule that governs the whole gap: the participant must ensure that they do not operate a vehicle without an IID, and if the car must be driven between providers, someone else must drive it. Your new car does not get driven home by you, “just this once,” before its device is installed. Someone with a valid licence drives it, or it is transported — there is no third option in the handbook.

Case two: you sell a car that is then stolen, destroyed, or otherwise unavailable — the handbook’s “unavailable vehicle” rule. If a vehicle with an installed IID becomes unavailable due to theft, fire, or other means, the installer updates your file with whatever documentation is available or a comment referencing the unavailable vehicle, and no DL 921 or DL 922 is needed for the unavailable vehicle itself. If you then obtain a replacement vehicle, DL 920 Section VI records the unavailable vehicle and Section IV records the replacement vehicle’s information, and the 60-day service interval begins when the IID is installed in the replacement. Do not stretch this rule to cover a voluntary sale: a sale is not theft, fire, or destruction, and a voluntary sale with a replacement car is the DL 922 change-of-vehicle case above, not the unavailable-vehicle case. The distinction matters because the filings differ, and filing the wrong one — or filing nothing because you assumed the sale “spoke for itself” — is how a clean sale becomes a record problem.

At the end of the term, the removal follows the same discipline. The handbook’s removal section requires the installer to complete DL 922 Sections I–IV and submit the form to the Mandatory Actions Unit within three working days, with a photocopy in your file and a photocopy to you. Installations and removals should not occur until the Mandatory Actions Unit has been contacted, and the handbook directs participants with questions about a removal date to call the Unit at (916) 657-6525. Verify your term end date with the Unit before the removal appointment — at least a week early is the practical advice every careful guide gives, and it costs nothing — and confirm afterwards that the IID restriction has actually cleared from your licence record. Two cautions close this section. First, form DL 925 is the Ignition Interlock Device Installation and Removal Request — the form by which you authorize the release of eligibility information to the installer — not a removal approval, not a removal certificate, and not a timeline; any guide that tells you DL 925 “approves” your removal is mislabelling the form. Second, IID removal alone does not restore an unrestricted licence: DUI programme completion and SR-22 proof are separate reinstatement requirements, and all three must be satisfied.

A note on cost, because readers always ask and this guide refuses to invent: the DMV does not publish a statewide IID installation, monthly, or removal price, and no dollar figure for the device appears in the statute — the statute says only that the person pays a department-determined administrative fee and that manufacturers absorb a share of programme costs on an income-based schedule (section 23575.3(k), detailed in section 6). Provider guides typically report ranges, and they disagree with each other; this guide does not reprint them as prices. Worse, the DMV’s own pilot page gives different administrative service fee figures in different sections — $103 in its exemption FAQ and $125 in its APS section — so even the one DMV fee figure that exists cannot be printed as a single universal IID fee. Get a written quote from a DMV-certified provider for your car and your track, and confirm which administrative fee line applies to you, before you budget anything. Our full IID guide explains the income-share schedule and the fee lines in detail; this guide’s job is to stop you from budgeting a sale around a number nobody official has published.

6. Sold the Car and Bought Nothing: the Exemption Trap, the 30-Day Window, and Time That Is Not Credited

The hardest case in this guide is also the most common question: you sold the car, you have no replacement, and you want to know whether the IID term pauses, ends, or can be escaped. The short answer is that none of those three words is the right one. The IID term does not “pause” in the sense of a granted holiday, and it does not end because you have no car. What the statute says, in section 23575.3(j), is that if a person fails to comply with any IID requirement, “the period in which the person was not in compliance shall not be credited towards the mandatory term.” Time with no compliant device installed is time that does not count. It is not time served, and it is not time frozen by permission — it is simply uncredited, which moves the end date out by the length of the gap. Do not assume a gap counts, and do not assume the DMV grants pauses; ask the Mandatory Actions Unit how your specific gap will be treated, and get the answer before the gap starts if you can.

The exemption route exists, but it is narrower and more time-limited than competitor pages suggest. The DMV’s pilot page states that if you are required to install an IID and you do not own or have access to a vehicle, or you no longer have the vehicle you violated in, you qualify for an exemption — and that an exemption also means you do not pay the additional administrative service fee for reinstatement. Read alone, that sounds like a mid-term sale qualifies you automatically. It does not, because the statute behind the page, section 23575.3(d)(2), ties the exemption to a certification made within 30 days of DMV notification, attesting to all of the following: you do not own a vehicle; you do not have access to a vehicle at your place of residence; you no longer have access to the vehicle driven at arrest; you acknowledge you may only drive a vehicle equipped with a functioning, certified IID; you acknowledge you still need a valid licence before driving; and you acknowledge the requirement revives the moment you purchase or gain access to a vehicle. The form for that certification is DL 4062, the Ignition Interlock Device Exemption Request. A driver who sells a car months into an IID term is very likely outside that 30-day window already, and the pilot page’s loose wording does not create a fresh window. This guide’s instruction for that driver is one sentence: contact the Mandatory Actions Unit before you assume an exemption is available, and do not drive anything in the meantime.

Three further exemption facts close the trap. First, an exemption is not permission to drive. An exempt driver is still only allowed to drive a vehicle equipped with a functioning, certified IID — which, with no car and no device, means in practice that they do not drive — and buying or gaining access to a vehicle immediately re-triggers section 23575.3. Second, a car you still own that does not run, or that sits on Planned Non-Operation, does not qualify you: the DMV’s pilot page answers that question directly with “No, you do not qualify for an exemption if you own a car(s) that does not run or has an approved planned non-operation (PNO) on file.” Selling the car genuinely, so that you own nothing and have access to nothing at your residence, is the factual change the exemption describes; parking a dead car and filing PNO is not. Third, if you are granted an exemption, you must still serve the full suspension or revocation term and complete your DUI treatment programme — the exemption removes the installation duty, not the underlying suspension, and the DMV’s page says so plainly. And if you never comply with a mandatory IID installation at all, the same page states the consequence without softening: you will not be issued a driver licence and cannot legally drive.

For completeness, the IID term table itself — so you can see what clock a gap interrupts. Under section 23575.3(h), for a non-injury DUI (section 23152), a court may order up to six months for a driver with no priors, or the driver may opt for an IID restriction of up to six months; one prior means 12 months, two priors 24 months, and three or more priors 36 months. For an injury DUI (section 23153), no priors means 12 months, one prior 24 months, two priors 36 months, and one prior under section 23550.5 means 48 months. Terms begin once installation is proved and on reinstatement or the issuance of a restricted licence (section 23575.3(h)(4)), with credit for earlier restricted-licence periods under sections 13353.6 and 13353.75. The old “five months for a first offence” figure found on lawyer blogs is the dead four-county pilot number and must not be used. If cost is the reason you sold the car, the statute’s income schedule is worth knowing before you assume you cannot afford the device at all: under section 23575.3(k), the offender’s share of the manufacturer’s standard programme costs is 10% at or below 100% of the federal poverty level, 25% at 101–200%, 50% at 201–300% (and 50% for CalFresh recipients), and 90% at 301–400%, with the manufacturer absorbing the rest. Income is verified from a prior-year tax return, three months of income statements, or unemployment-benefits verification. That schedule is percentages, not dollars — the only cost schedule the statute actually contains — and it is the reason this guide can discuss IID affordability without inventing a price.

7. The DL 923 Employer-Vehicle Rule: the One Exception, With Both Exclusions

If you must drive for work after selling your car, there is exactly one lawful route, and it has a form number you should memorize: DL 923, the Notice to Employers — Ignition Interlock Restriction. Vehicle Code section 23576, quoted on the form itself, provides that if a person is required to operate a motor vehicle in the course and scope of employment and the vehicle is owned by the employer, the person may operate that vehicle without an installed IID if the employer has been notified and the person has proof of that notification in their possession, or if the notice (or a facsimile copy) is with the vehicle. The DMV’s pilot page states the same rule with its precondition attached: you may drive your employer’s vehicle during the scope of your employment without an IID if you currently possess an IID-restricted driver licence. DL 923 does not create a licence, does not restore a suspended privilege, and the form’s own header instruction states that you may not drive without a valid driver licence. An IID-restricted licence plus a filed DL 923 is the combination; either half alone is not enough.

The mechanics are simple and must all be present: complete DL 923, give it to any employer who owns a vehicle you operate in the course and scope of your employment, and keep a copy in your possession or with the employer’s vehicle. The scope limit is the part drivers get wrong. “Course and scope of employment” means work driving — the delivery route, the site visit, the employer’s truck on the employer’s business. It does not cover commuting to and from work in the employer’s vehicle, personal errands in it, or driving it on your own time, and it does not cover a vehicle that is not in fact the employer’s. Two exclusions then remove whole categories of drivers from the rule. First, if a business entity is totally or partially owned or controlled by the restricted driver, that driver is not eligible under section 23576 to drive a vehicle of that business without an IID — you cannot DL 923 your own company’s truck. Second, if you have been granted an exemption from mandatory IID installation, you do not qualify for the employer’s vehicle exemption at all (DMV pilot page). An exempt driver who drives an employer’s unequipped vehicle is not using DL 923; they are violating the restriction.

One interaction deserves emphasis because it is exactly the trap this guide’s reader falls into: DL 923 does not waive the SR-22, and the SR-22 does not waive the IID. A driver who sells a personal car, keeps a non-owner SR-22, and drives an employer’s truck under DL 923 is compliant on all three tracks at once — filing, device, and employment — only if all three are separately in order. Drop any one and the other two do not cover it. If your employer will not accept the DL 923 notice, or will not let you drive its vehicles while restricted, that is the employer’s choice, and the lawful alternatives are the same as for any other driver in a gap: do not drive, or get a device installed in a vehicle you may lawfully operate. There is no version of this rule in which an unwilling employer becomes a workaround.

8. The Gap, Car by Car: What You May and May Not Drive Between Cars

Between selling one car and installing a device in the next, the question readers actually ask is not abstract — it is “can I drive this car?” This section answers it car by car, because the general rule (“only IID-equipped vehicles”) is easy to state and easy to misapply to a specific vehicle sitting in a driveway.

Two edge cases complete the picture. Commercial drivers should know that the DMV’s pilot page requires CDL holders to downgrade to a non-commercial licence to obtain an IID-restricted licence — a career-affecting step that must be taken deliberately, not discovered at the counter. And drivers with a court-ordered IID in addition to, or instead of, a DMV restriction must satisfy the court as well as the DMV: a court order has its own forms (ID-100 order, ID-110 installation verification, ID-140 removal and modification of probation), its own timeline, and its own permission for early removal, and a DMV transfer filing does not override a court order. If a court ordered your device, ask the court or your probation department, as well as the Mandatory Actions Unit, before any sale-related removal. Our DUI restricted licence guide explains the court-versus-DMV dual track in full, including the restricted-licence paths that sit behind most IID cases.

9. If the Sale Goes Wrong: Lapses, Tampering Reports, and the Recovery Order

Sales go wrong in three predictable ways, and each has a different recovery order. Do not mix them up, because the fix for one can worsen another — driving to “sort it out” while suspended or restricted is the classic example.

Way one: the SR-22 lapses around the sale. Perhaps the old policy was cancelled a week before the non-owner filing was bound, or the new carrier declined the filing and nobody told you. The recovery order is: file new proof immediately with a carrier that can file it; do not drive until the DMV shows adequate proof on file, because section 16484 keeps the suspension in effect until adequate proof is filed, and driving on a suspended licence is a misdemeanour under the Vehicle Code section 14601 family (this guide states the classification only, not fine or jail ranges); pay the reissue fees for your action type when the DMV requires them (section 3 lists the DMV lines); and ask the Mandatory Actions Unit for your new end date in writing, because the restart-versus-extension question is unresolved in the retrieved statute text (section 3) and only your record answers it. Keep every confirmation — insurer filing receipts, DMV record printouts, Unit correspondence — because a second lapse with no paper trail is treated as a pattern, not an accident, by everyone who reviews your record.

Way two: the IID is removed, tampered with, or left unserviced around the sale. The installer must report removal, tampering or bypass attempts, and three or more maintenance or calibration failures to the DMV within three working days (form DL 921 for noncompliance reports). The DMV may then terminate the restriction and suspend or revoke the privilege for the remaining period of the originating suspension or revocation, until all reinstatement requirements are satisfied — and, under section 23575.3(j), the noncompliant time is not credited toward the term. The recovery order is: stop operating any unequipped vehicle immediately; contact the installer and the Mandatory Actions Unit the same day; get back into compliance through a certified installer (the DMV’s own return-to-compliance route is a new DL 920 from the installer, after which the DMV reinstates the privilege with the IID restriction); and do not attempt a second removal, a “temporary” bypass, or asking someone else to blow into the device for you — each is a separate violation, and asking another person to start a device-equipped vehicle for a restricted driver is itself unlawful. Calibration deserves a line of its own: the device must be serviced at intervals not to exceed 60 days, and a missed calibration appointment starts a rescheduling chain (installer reschedules within seven days, twice, with mail and telephone notice) before a third failure becomes a reportable noncompliance event. A sale is not an excuse for missing calibration, and the 60-day clock does not pause because the car changed hands.

Way three: the buyer drives away with your device, your plates, or your problems. Never hand over a car with your IID still installed in it. The device is leased, not owned; it must be removed by the installer and returned immediately, and the buyer acquires no right to it and no part of your restriction — the restriction stays with your licence either way. Remove the device before handover, file the Notice of Transfer and Release of Liability within five calendar days, keep your copy of the DL 922 filing and the NRL confirmation, and confirm the title transfer was completed by the buyer. If the buyer later accumulates tickets or tolls on a car still showing your name because the title transfer stalled, the NRL confirmation is your shield; without it, you are arguing from memory. The same discipline applies in reverse when you buy: do not accept a car with someone else’s IID in it, do not drive it home before your own device is installed, and do not assume the seller’s removal was filed — confirm your own DL 920 installation filing instead.

10. What Competitors Get Wrong About Selling a Car on an SR-22 or IID

Competitor pages on this topic are numerous, confident, and wrong in patterned ways. This catalogue names the patterns so you can recognize them elsewhere; every entry below was found on a live competitor page during research for this guide, and every correction traces to a DMV or Vehicle Code source named in the Sources section.

11. Your Sell-Car Checklist, in Order

Print this section, or copy it into your phone, and work it top to bottom. The order is the protection: every step that can create a gap or a violation is placed after the step that prevents it.

One closing thought, because it is the sentence readers remember: the car is the easiest part of this to replace. The record is not. A sale handled in the right order costs you a few phone calls and a few days of planning. A sale handled in the wrong order — cancelled policy first, driven new car second, removed device third — can cost you a re-suspension, an uncredited IID term, and a noncompliance report that follows you longer than the car ever did. Do the boring order. It is the whole guide.

Frequently Asked Questions

Sources

Official sources read for this guide on October 29, 2026: California DMV Statewide Ignition Interlock Device Pilot Program page (programme dates 2019–2032, IID term table, exemption and employer-vehicle rules, rental ban, 60-day calibration, Mandatory Actions Unit (916) 657-6525, administrative service fee inconsistency noted in section 5); DMV Ignition Interlock Device Program Handbook DL 919, chapter 4 (change of vehicle, unavailable vehicle, replacement vehicle, removal, change of manufacturer) and chapter 5 (noncompliance, 60-day service and rescheduling chain); DMV forms DL 300 (REV. 12/2024, proof period and $75,000 deposit/bond alternatives), DL 4006 (termination of action, cancellation consequence), DL 691 (financial-responsibility restricted path, 4-year measurement), DL 920 (Verification of Installation), DL 922 (removal and change of vehicle), DL 923 (Notice to Employers, quoting Vehicle Code section 23576), DL 925 (Installation and Removal Request), DL 4062 (IID Exemption Request), and REG 138 (Notice of Transfer and Release of Liability, five calendar days); DMV Driver Handbook section 10 (financial responsibility, uninsured-collision suspension structure); Vehicle Code sections 16430 (minimum limits and 2035 step-up), 16433 (10-day written cancellation notice), 16480 and 16482 (three-year proof release), 16483 (substitution of adequate proof), 16484 (suspension until adequate proof filed), 23575.3(a), (d)(2), (f), (h), (j), (o)(2), and (k) (IID terms, exemption certification, calibration, non-credited time, income shares), 23576 (employer-vehicle exemption), 23247 (tampering classification), and 14601 (driving on a suspended licence, classification only). Competitor and secondary sources were used only to identify errors and gaps, never as authority for a figure: the SR-22 switch and non-owner guides, the IID removal guides, and the DMV programme pages listed above were cross-checked against each other, and every conflict found is reported in section 10 rather than silently resolved. Last verified against dmv.ca.gov: October 29, 2026. Laws and fees change — confirm current rules on dmv.ca.gov, with the court named on your citation, or at a DMV field office before you act.

Related Guides

Last verified against dmv.ca.gov: October 29, 2026. Laws and fees change — confirm current rules on dmv.ca.gov, with the court named on your citation, or at a DMV field office before you act. Statute sources are listed in the sources paragraph above.