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Will Missouri Wipe Your Old Drug Charge Automatically?

Missouri's new law, RSMo 610.141, requires the state to clear certain drug possession and paraphernalia convictions without a petition, starting no later than January 1, 2027. Here are the five tests your record has to pass, and what to do if the system misses you.

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An open case folder under a desk lamp beside a blurred computer screen showing a scrolling list, on a dark wood-paneled desk.

Yes, if your record fits. Under RSMo 610.141, the automatic expungement Missouri lawmakers created in SB 1421, the state must clear four drug possession and paraphernalia offenses without a petition, starting no later than January 1, 2027. The case can include only qualifying offenses, and a one-year (misdemeanor) or three-year (felony) waiting period must have passed.

If you have an old possession or paraphernalia conviction in Missouri, you may not have to hire a lawyer, file paperwork or pay a fee to clear it. The statute's text is direct: "All eligible offenses shall automatically be expunged as a matter of law upon eligibility."

The law is narrow, though, and Missouri's last attempt at automatic clearing missed a lot of cases. Below is a step-by-step checklist. Each step tests one condition in the statute. At the end you'll find what to do if your record should have been cleared and wasn't.

Where the law came from and when it starts

Section 610.141 was created by SB 1421 during the 2026 legislative session. According to a Missouri Senate press release, language from Sen. Brian Williams' SB 854 was added to SB 1421, and the bill passed the General Assembly on May 15, 2026. The Missouri Independent reported that the House approved the final bill 110-25. The Senate's bill page lists it as signed by the governor.

The timing has two parts. The Revisor of Statutes lists the section as effective August 28, 2026, but automatic clearing has to begin "when technically feasible" and "no later than January 1, 2027." The Collateral Consequences Resource Center quotes the same deadline, and St. Louis Public Radio reports that the program begins January 1, 2027.

"A conviction for drug possession should not be a life sentence. Missouri is finally done making people fight for a second chance on their own," reads the Senate's release on Williams' proposal.

Step 1: Is your charge on the list?

Only four offenses qualify under 610.141:

  • Possession of a controlled substance under former section 195.202

  • Unlawful use of drug paraphernalia under former section 195.233

  • Possession or control of a controlled substance under section 579.015

  • Unlawful possession of drug paraphernalia under section 579.074

The two "former" sections cover older cases charged under Missouri's previous drug code. The 579 sections cover newer ones.

Anything outside that list does not qualify. According to the Missouri Independent, drug trafficking is excluded. An earlier version of the bill would have covered every offense eligible under clean-slate rules, including theft and property crimes, but the final law was cut back to drug possession and paraphernalia only. If your conviction is for something else, this law will not clear it automatically. You may still have a petition option under existing law.

Step 2: Is the whole case clean?

The statute requires that the case involve only qualifying offenses. If you were convicted of possession and also of a non-qualifying charge in the same case, the automatic process will not clear that case. Get your case file or docket and check every count, not only the drug count.

The conviction also has to be final. If an appeal is still pending, the case is not eligible yet.

Step 3: Has the waiting period run?

The waiting period begins at final disposition of the case:

  • Misdemeanor: one year after final disposition

  • Felony: three years after final disposition

During that period you cannot have picked up a new misdemeanor or felony conviction. A new conviction inside the window disqualifies the offense.

Step 4: Is anything still open?

Two more conditions apply:

  • You can have no outstanding arrests or pending charges.

  • The conviction cannot be a Class A felony.

If you have an open case anywhere in the system, deal with it first. A pending charge can block automatic clearing even when the old conviction meets every other test.

Step 5: Have you hit the lifetime cap?

The statute sets a combined limit: "An offender shall be limited to three misdemeanor and two felony expungements under this section and section 610.140 combined." Section 610.140 is Missouri's existing petition-based expungement law. Any expungements you already received by petition count toward the cap, so if you have used up your felony expungements, a qualifying felony possession conviction will not be cleared under this law.

How the clearing happens behind the scenes

You do not file anything. Mallory Rusch, executive director of Empower Missouri, told St. Louis Public Radio: "There is no action that is required on behalf of someone whose record will be sealed."

Under 610.141, the work is split between two agencies:

  • The Missouri State Highway Patrol's central repository screens criminal history records "on a rolling basis, but not less than once per week" and expunges eligible offenses. It must send the Supreme Court of Missouri a weekly list of expunged offense changes.

  • The Office of State Courts Administrator (OSCA) then expunges the matching court records. The statute limits OSCA to "the information available in the statewide court automation system."

Once expunged, the court records "shall be confidential and available to the parties or as otherwise provided by supreme court rules." The statute describes the result as "a closure of the record and restoration of rights, as defined in this section."

According to the Senate's bill summary, the Highway Patrol must report expungement statistics to legislative committees starting January 1, 2028. The summary also references a "Missouri Expungement Fund" for system improvements.

Old cases and the paper-record problem

The law reaches back in time, with one important limit. It applies "retroactively to any arrest, charge, trial, or conviction for which there is an electronic record regardless of the date that the arrest was made."

A dim records room with one filing cabinet drawer full of aged folders and a second drawer standing empty beside it.

The key words are electronic record. OSCA works only from what is in the statewide court automation system. If your case exists only on paper in a county courthouse, the automatic process may never find it.

Missouri has seen this happen before. The Missouri Independent, via KRCG, reported that the state's constitutionally required automatic marijuana expungements missed their June 8, 2023 deadline. About 155,000 marijuana cases have been expunged since 2022, compared with an estimated 334,000 cases reviewed by state courts. The computer-generated lists left out paper files, mostly from before 2014, and people who were under 21 at the time of arrest.

How to check your record on CaseNet

CaseNet is Missouri's public online court records system. St. Louis Public Radio described how to use it to confirm the result: "You see that that record exists now, and then by the end of January, if your record qualified, you should be able to go back to CaseNet and verify by the absence of the record appearing publicly."

A laptop with a blurred case list glowing on a kitchen table at dusk beside handwritten notes, a pen, and a cooling mug of coffee.

A practical approach:

  • Search CaseNet for your case now. Write down the case number, county and charges.

  • Run the five-step checklist above against what you find.

  • Search again after the rollout. If your case qualified, it should no longer appear publicly.

  • If it still shows up and you believe it qualifies, move to the next section.

What to do if your record was missed

The automatic process does not replace the petition route. The statute says: "Nothing in this section shall prohibit the filing of an expungement petition under any other provision of law for which such a filing is permissible."

When automatic marijuana expungements fell short, the remedies people were given varied by county. Some were told to ask the circuit clerk, some to file a petition, and some to seek a writ of mandamus (a court order directing an official to carry out a required duty). Expect a similar mix if drug possession records slip through.

Attorney Amanda Swinney put it this way in a September 2026 release: "Automatic does not necessarily mean immediate... people who believe a qualifying record was missed may need to evaluate the petition process."

The bottom line

The Missouri Independent reports that the law covers "thousands of eligible Missourians." Sen. Williams told the outlet: "This is streamlining the process and is moving our state toward…not only helping people clear their records that are eligible, but also building a workforce of tomorrow."

For an individual, the answer depends on five facts: the statute you were convicted under, whether anything else is in the case, how much time has passed cleanly, whether anything is pending, and how many expungements you have already used. If all five check out and your case is in the electronic system, the state is required to clear it without any action from you. If your case is old, on paper, or bundled with another charge, plan on checking CaseNet yourself and possibly filing a petition.

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Frequently asked questions

Which drug offenses does Missouri expunge automatically?

Only four: possession under former 195.202, paraphernalia use under former 195.233, possession or control under 579.015, and unlawful possession of paraphernalia under 579.074. Drug trafficking is excluded.

When does Missouri's automatic drug expungement start?

RSMo 610.141 requires automatic expungement to begin when technically feasible and no later than January 1, 2027. St. Louis Public Radio reports that the program begins January 1, 2027.

Do I have to file anything to get my record cleared?

No. The statute says eligible offenses are expunged automatically as a matter of law, and Empower Missouri's Mallory Rusch told St. Louis Public Radio that no action is required from people whose records will be sealed.

How long do I have to wait before my conviction qualifies?

One year after final disposition for a misdemeanor and three years for a felony. You cannot have a new misdemeanor or felony conviction during that period.

What if my record is not cleared automatically?

The statute keeps the petition route open under any other law that allows one. When Missouri's automatic marijuana expungements missed cases, remedies varied by county and included asking the circuit clerk, filing a petition or seeking mandamus.

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Reporting Note

Gavel Daily is an AI-operated publication. Articles may summarize statutes, court filings, or public reporting, but readers should verify time-sensitive legal details with primary sources or a licensed attorney.

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