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Yes! You can use AI to fill out Form CR-400, Petition/Application Under Health and Safety Code Section 11361.8—Adult Crimes

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Form CR-400, Petition/Application Under Health and Safety Code Section 11361.8—Adult Crimes, page 1
Basic · 35/100Form Complexity Index

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What this form asks for

The AI fills all of it, from your answers or your documents.

This form, officially titled Petition/Application Under Health and Safety Code Section 11361.8—Adult Crimes, is used in California by individuals seeking to change their criminal record for past marijuana offenses in light of new laws. It allows a person to formally request the court to recall a sentence, dismiss a conviction, or redesignate the offense to a lesser charge or infraction. Today, this form can be filled out quickly and accurately using AI-powered services like Instafill.ai, which can also convert non-fillable PDF versions into interactive fillable forms.
Fillable fields38
Pages1
Form Complexity IndexBasic, 35/100

The AI checks your answers before you download

13 checks built for this form, so a wrong date or a missing answer is caught before anyone else sees it.

Case Number Presence

Verifies that the 'CASE NUMBER' field is not empty. This number is the primary identifier for the legal case within the court system, and its absence makes it impossible to associate the petition with the correct court record. If this validation fails, the form cannot be processed as the court would not know which case file to update.

Conviction Information Completeness

Ensures that at least one checkbox is selected in Section 1, 'CONVICTION INFORMATION'. The petitioner must specify which Health and Safety Code section(s) their conviction falls under for the court to review. A failure to select any conviction type means the petition lacks a fundamental basis for the request, leading to its rejection.

Exclusive Request Type Selection

Validates that exactly one of the two options in Section 2, 'REQUEST', is selected. A petitioner is either currently serving a sentence (2a) or has completed their sentence (2b), making these options mutually exclusive. Selecting both or neither creates ambiguity about the petitioner's status and the relief sought, preventing the court from taking appropriate action.

Logical Consistency Between Title and Request

Checks that the checkbox selected in the form's main title area corresponds to the request made in Section 2. If 'PETITION' (2a) is checked, the 'RESENTENCING OR DISMISSAL' title box should be checked; if 'APPLICATION' (2b) is checked, the 'REDESIGNATION OR DISMISSAL/SEALING' title box should be checked. This ensures internal consistency and clarity of the document's purpose from the outset.

Petitioner/Attorney Name Requirement

Confirms that the 'NAME' field under 'ATTORNEY OR PARTY WITHOUT ATTORNEY' is filled out. This identifies the person filing the petition and is essential for all official correspondence and legal accountability. An anonymous filing is invalid and would be immediately rejected by the court clerk.

Defendant Name Presence

Verifies that the 'DEFENDANT' field is populated with the name of the individual whose case is being addressed. This is crucial for linking the petition to the correct person in the 'People of the State of California v. Defendant' caption. Without the defendant's name, the petition is legally meaningless.

And 7 more checks
  • Signature Date Validity
  • Printed Name for Signature
  • State Bar Number Format
  • Email Address Format
  • Court County Specification
  • ZIP Code Format
  • Telephone Number Format

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How to Fill Out CR-400 Online for Free in 2026

What the AI walks you through.

  1. Navigate to Instafill.ai and upload or select the CR-400 form.
  2. Use the AI assistant to input your personal and attorney information, including name, address, and case number.
  3. Provide the details of the Superior Court where the conviction occurred.
  4. In Section 1, check the boxes corresponding to the Health and Safety Code sections for your conviction.
  5. In Section 2, select your request: either a petition for resentencing/dismissal (if still serving a sentence) or an application for redesignation/dismissal/sealing (if the sentence is complete).
  6. Decide whether to waive your right to have the original judge hear the matter and your right to appear at the hearing by checking the boxes in Sections 3 and 4.
  7. Review all the information for accuracy, then use the tool to date and e-sign the form before downloading it for filing with the court.

Common Mistakes in Completing CR-400

The ones the AI is built to catch.

Incorrect or Missing Case Number
The case number is the court's primary identifier for your legal record. People often leave this blank, guess, or enter it incorrectly, which leads to immediate rejection or significant processing delays as clerks cannot locate the file. To avoid this, carefully copy the full case number from previous court documents related to the conviction. AI-powered tools like Instafill.ai can help by storing and accurately auto-filling this critical information across all related legal forms.
Confusion Between Attorney and Self-Representation Information
Individuals representing themselves (pro se) often get confused by the 'ATTORNEY OR PARTY WITHOUT ATTORNEY' section. They might leave their own information blank or incorrectly fill the 'STATE BAR NUMBER' and 'FIRM NAME' fields. This creates confusion about who is filing the petition. If you are representing yourself, enter your own name and contact details, leave the State Bar Number and Firm Name blank, and write your own name or 'Pro Se' in the 'ATTORNEY FOR (name)' field.
Selecting the Wrong Relief Type (Petition vs. Application)
A critical error is choosing the wrong option in Section 2. 'PETITION' (2a) is for individuals currently serving a sentence, including probation or parole, while 'APPLICATION' (2b) is for those who have fully completed their sentence. Selecting the incorrect option will cause the court to deny the request on procedural grounds, forcing you to refile and causing significant delays. Carefully read the descriptions to ensure you select the box that matches your current status.
Neglecting the Proof of Service Requirement
The form mentions using form CR-401 for Proof of Service, but many filers overlook this crucial step. The court cannot act on your petition until you have formally notified the prosecuting agency (e.g., the District Attorney's office) and filed proof of that notification. Forgetting to serve the other party and file the Proof of Service will bring your case to a complete halt until it is corrected.
Missing or Invalid Signature
Forgetting to sign and date the form is a common and fatal mistake that invalidates the entire filing. On digital forms, some people mistakenly type their name on the signature line instead of providing a valid electronic or wet signature. An unsigned or improperly signed petition will be rejected immediately by the court clerk, requiring a complete refiling.
Inaccurate Conviction Code Selection
In Section 1, filers may not remember the exact Health and Safety Code section they were convicted under and may check the wrong box or multiple incorrect boxes. This error can lead the court to review the wrong record or apply an incorrect legal standard, resulting in denial. It is essential to reference original court documents or a Record of Arrest and Prosecution (RAP) sheet to ensure you check only the applicable conviction codes.
Incorrect Superior Court Information
The petition must be filed in the Superior Court of the county where the original conviction occurred. Filers sometimes list the wrong court address or even the wrong county, especially if they have moved. Filing in the wrong court will lead to rejection and require you to start the process over. Always verify the exact name and street address of the correct county's Superior Court before filing.
Writing in 'FOR COURT USE ONLY' Sections
Inexperienced filers often mistakenly write information in the boxes clearly marked 'FOR COURT USE ONLY'. This includes the case number box in the top right corner and the hearing information box. This creates unnecessary work for court clerks and can lead to the form being rejected for improper completion. These sections must always be left completely blank for court staff to use.
Misunderstanding the Waiver of Hearing and Appearance
Filers may check the waiver boxes in Sections 3 and 4 without realizing they are giving up important rights, such as the right to appear in person at their hearing. While waiving these rights can sometimes streamline the process, it should be an informed decision. Accidentally checking these boxes could prevent you from presenting your case or having it heard by the original, most-informed judge.
Using an Incorrect Defendant Name
The name entered in the 'DEFENDANT' field must exactly match the full legal name on the original court records. Using a nickname, a new married name not on the original record, or a slightly different spelling can prevent the court clerk from locating the case file. This simple data entry error can cause significant delays or rejection of the filing. AI form-fillers like Instafill.ai can help prevent this by saving and consistently applying the correct legal name across documents.
Failing to File on a Fillable Form
Many government forms are only available as flat, non-fillable PDFs, leading to messy, hard-to-read handwritten submissions that are prone to errors and rejection. It is crucial to submit a clean, typed document. If the form is not interactive, tools like Instafill.ai can convert the non-fillable PDF into a smart, fillable version, ensuring the final document is legible, professional, and correctly formatted.

Frequently Asked Questions About CR-400

 

Is it really free for 7 days?
Yes. You pay $0 today. Cancel before Nov 1 and you are never charged. Keep it, and it is $19.99 a month for 5 fills of your CR-400.
Can I fill other forms too?
This plan is for your CR-400: your own AI agent fills it as often as 5 times a month. To fill other forms and upload your own, choose a Professional plan from your account.
How do I cancel?
From your account, in two clicks, any time. No email, no call.
How does the AI fill out CR-400?
You answer a few questions in plain words, or upload your insurance card. The AI reads what you give it and puts each answer into the right field of CR-400, on every page, in seconds. It checks the answers against the form's own rules, and you review and change anything before you download, print or sign.
What happens to my information?
It is encrypted in transit and at rest, and it is never used to train AI.
How complex is CR-400 to fill out?
CR-400 has a Form Complexity Index of 35 out of 100, in the basic tier: 38 fillable fields across 1 page. Instafill.ai's AI fills it in under a minute, with every field there for you to review before you download.
What is the purpose of Form CR-400?
This form is used to ask a California court to change a past adult marijuana-related conviction. You can request to be resentenced, have the conviction dismissed, or have it redesignated to a lesser offense and sealed from public view.
Who is eligible to file Form CR-400?
You can file this form if you have a past adult conviction in California for specific marijuana offenses, such as possession, cultivation, or transportation, as listed in Health and Safety Code section 11361.8.
What is the difference between a 'Petition' and an 'Application' in Section 2?
You file a 'Petition' (Section 2a) if you are currently serving a sentence for the conviction. You file an 'Application' (Section 2b) if you have already completed your sentence.
What information do I need to fill out this form?
You will need your personal details, the case number of your conviction, the county where you were convicted, and the specific Health and Safety Code section you were convicted under.
Do I need to get my criminal record (RAP sheet) before filing?
No, obtaining your RAP sheet is not required to file this form. However, the form notes that your conviction may have already been automatically changed, and a RAP sheet can confirm this.
What does it mean to waive the right to the original sentencing judge in Section 3?
By checking this box, you agree that any available judge can rule on your case, not just the one who originally sentenced you. This may help your case be heard faster if the original judge is no longer available.
Should I check the 'Waiver of Appearance' box in Section 4?
Checking this box means you give up your right to be physically present at the court hearing. This can be convenient, but you should consider the implications or consult an attorney before waiving your right to appear.
Where do I submit the completed Form CR-400?
You must file the form with the Superior Court in the county where you were convicted. You also need to serve a copy on the prosecuting agency, typically the District Attorney's office, using a form like CR-401 for proof of service.
The form mentions Form CR-401. Do I need to fill that out too?
Yes, Form CR-401 (Proof of Service) is used to formally document that you have sent a copy of your CR-400 petition to the prosecuting agency. This is a required step in the legal process.
What happens after I file the petition or application?
The court will review your request, and the prosecuting agency will have an opportunity to respond. The court will then make a decision on whether to grant your request for resentencing, dismissal, or redesignation.
Can AI tools help me fill out Form CR-400?
Yes, services like Instafill.ai use AI to accurately auto-fill form fields with your information. This can save you time and help prevent common errors when completing the form.
How can I use Instafill.ai to complete this form online?
Simply upload the CR-400 PDF to the Instafill.ai platform. The AI will make the form interactive and guide you through filling out your personal details, case information, and other required sections before you download the completed document.
The PDF version of Form CR-400 I found is not fillable. What can I do?
You can use a service like Instafill.ai to solve this. Upload the flat, non-fillable PDF, and the tool will convert it into an interactive, fillable form that you can easily complete on your computer.
My conviction was years ago. Is it too late to file this form?
No, there is no deadline to file for relief under Health and Safety Code section 11361.8. You can file this form regardless of how long ago your conviction occurred.
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