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Motorized Bicycle (Moped) Instructions/Application (REG 230), page 1
Basic · 42/100Form Complexity Index

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What this form asks for

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REG 230 is a California Department of Motor Vehicles application for motorized bicycles (mopeds) used for three main purposes: original issuance of a moped license plate and ID card, replacement of a lost/damaged plate or ID card, and ownership transfer. The form includes a qualification checklist to confirm the vehicle meets the California Vehicle Code §406 definition of a moped. It is important because the moped ID card serves as the ownership/transfer document, and the DMV uses the information to issue or update records and credentials.
Fillable fields52
Pages1
Form Complexity IndexBasic, 42/100

The AI checks your answers before you download

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

Ensures Section 1 Vehicle Identification Number (VIN) is present and valid length/character set

Validates that the VIN field in Section 1 is completed and matches expected VIN formatting rules (typically 17 characters, excluding I, O, and Q) or an allowed DMV moped/VIN exception format if applicable. This is critical to uniquely identify the vehicle and prevent duplicate or fraudulent records. If the VIN is missing or malformed, the submission should be rejected or routed for manual review with a request for correction.

Validates Engine Number is provided and conforms to allowed format

Checks that the engine number is present (when required) and contains only permitted characters (letters/numbers and limited symbols) within a reasonable length range. Engine number is often used as a secondary identifier for mopeds and helps resolve VIN ambiguity. If invalid or missing, the application should be flagged and the applicant prompted to provide the correct engine number from the vehicle/engine stamp.

Validates Make and Model fields are completed and not placeholder text

Ensures the Make and Model fields in Section 1 are not blank and do not contain non-informative values (e.g., 'N/A', 'unknown', or random characters). Accurate make/model supports correct classification, fee calculation, and record matching. If validation fails, the form should be returned for completion or held for manual verification.

Checks California License Plate field consistency with application type

Validates that the California license plate field is blank for an original application (Section 2) and present for duplicate/substitute requests (Section 3) or ownership transfers (Section 4) when a plate exists. This prevents contradictory submissions (e.g., claiming the vehicle has never been licensed in CA while providing a CA plate). If inconsistent, the system should require the applicant to correct the application type or plate information before processing.

Enforces moped qualification questions (Section 2) are all answered Yes/No

Checks that each of the four moped definition questions has exactly one selection (Yes or No) and none are left blank. These answers determine whether REG 230 is the correct form or whether the applicant must use REG 343. If any question is unanswered or multiple selections are detected, the submission should be rejected as incomplete.

Validates moped eligibility logic: all four answers must be 'Yes' to proceed with original application

Applies the rule stated on the form: only if all four moped questions are answered 'Yes' should the applicant proceed with the REG 230 original application path. If any answer is 'No', the system should block submission under this form and instruct the applicant to complete REG 343 instead. This prevents misclassification and improper registration/plate issuance.

And 9 more checks
  • Validates owner full legal name completeness and structure
  • Validates Driver License/ID Card Number format for each listed owner
  • Validates multi-owner indicator (AND/OR) is consistent with number of owners provided
  • Validates mailing/residential address completeness (street, city, state, ZIP) and ZIP format
  • Validates County field is present and matches California county list (when state is CA)
  • Section 3 request type validation: exactly one of Substitute Plate or Duplicate ID Card must be selected
  • Section 3 reason validation: exactly one item status reason must be selected
  • Ownership transfer completeness: seller release signature, printed name, and date required when Section 4 is used
  • New owner certification signatures and dates required in Section 5 (and phone number format validation)

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How to Fill Out REG 230 Online for Free in 2026

What the AI walks you through.

  1. Choose the purpose of your filing: original application (Section 2), duplicate ID card/substitute plate (Section 3), or ownership transfer (Section 4), and note which sections you must complete along with Sections 1 and 5.
  2. Complete Section 1 (Vehicle Information): enter the VIN, engine number, make, model, California license plate (if any), and any distinctive marks/features.
  3. If applying for an original moped plate/ID card, complete Section 2: answer the four “yes/no” moped definition questions and, if eligible, enter the true full name(s) of owner(s), driver license/ID number(s), and full address details.
  4. If requesting replacements, complete Section 3: select substitute plate and/or duplicate ID card, indicate whether the item was lost/stolen, destroyed/mutilated, surrendered, or not received, and acknowledge you will return/destroy the original if found.
  5. If transferring ownership, complete Section 4: seller signs the Release of Ownership, then the new owner(s) provide name(s), driver license/ID number(s), and address information.
  6. Complete Section 5 (Certification and Signatures): new owner(s) sign and date under penalty of perjury and provide daytime telephone number(s).
  7. Prepare payment (check or money order; no cash) and mail the completed application and applicable fees to the DMV Special Processing Unit address listed on the form.

Common Mistakes in Completing REG 230

The ones the AI is built to catch.

Leaving Section 1 vehicle identifiers blank or incomplete
Applicants often omit the Vehicle Identification Number (VIN), engine number, make/model, or distinctive marks because they don’t know where to find them or assume the plate number is enough. Missing or partial identifiers can prevent DMV from matching the vehicle to records and can delay or reject processing. Locate the VIN/engine number on the frame/engine stamping and copy it exactly as shown, including any letters and leading zeros.
Mixing up VIN and engine number (or transposing characters)
A very common error is entering the engine number in the VIN field, swapping digits, or misreading similar characters (O vs 0, I vs 1). This causes record mismatches and can trigger requests for correction or additional verification. Double-check each character against the physical stamping and, if possible, compare to purchase documents; write clearly and avoid guessing.
Not following the form’s “which sections to complete” instructions
People frequently complete the wrong combination of sections (e.g., filling Section 2 when requesting a duplicate, or forgetting Section 3 for a lost ID card). Submitting the wrong sections leads to incomplete applications and returned mail. Before filling anything out, choose the purpose (original application, duplicate/substitute, or transfer) and complete exactly the sections listed plus Section 5.
Incorrectly answering the moped qualification questions in Section 2
Applicants sometimes answer “Yes” to all four questions without confirming the vehicle’s actual specs (pedals, transmission type, horsepower, and top speed). If any answer should be “No,” the vehicle is not a moped under CVC §406 and the application will be misfiled, causing delays and requiring REG 343 instead. Verify the vehicle configuration and manufacturer specifications; if uncertain, confirm with the seller or documentation before checking “Yes/No.”
Using a nickname or incomplete owner name instead of the true full legal name
Many people enter shortened names, omit middle names/initials, or use business names where the form asks for the “TRUE FULL NAME OF OWNER(S).” Name mismatches can create title/ownership inconsistencies and may complicate future transfers or replacements. Enter the legal name exactly as it appears on the California driver license/ID, including suffixes (Jr., Sr.) if applicable.
Missing or incorrect driver license/ID card number for owner(s)
Applicants often leave the DL/ID number blank, enter an out-of-state number, or put the wrong person’s number when there are multiple owners. This can prevent DMV from properly identifying the owner record and may result in a request for correction. Provide the correct California DL/ID number for each listed owner and ensure it matches the name on the form.
Confusion over joint ownership (“AND” vs “OR”) selection
When two owners are listed, people frequently fail to indicate “AND” or “OR,” or they select the wrong option without understanding the legal effect. The choice affects who must sign for future transactions and can cause transfer issues if the wrong option is recorded. Decide ownership carefully: use “AND” when both owners must act together, and “OR” when either owner may act independently, then mark it clearly.
Providing an incomplete mailing/residential address (missing county, ZIP, or apartment/unit)
Addresses are often missing the county, ZIP code, or unit number, or applicants use an old address that doesn’t match DMV records. This can lead to returned mail, non-receipt of plates/ID cards, and processing delays—especially for Section 3 where the applicant certifies the address is correct. Enter the full address (including unit), city, state, ZIP, and county, and update your address with DMV before submitting if it has changed.
Section 3 replacement requests missing the reason or checking multiple boxes
For substitute plates/duplicate ID cards, applicants sometimes forget to check whether the item was lost/stolen, destroyed, surrendered, or not received, or they check more than one option. An unclear reason can slow processing and may require follow-up. Check exactly one reason that best matches the situation and ensure it aligns with what happened (e.g., “Not Received from Prior Owner” vs “Not Received from DMV”).
Ownership transfer errors: missing seller release or wrong signatures
In transfers, people often forget the seller’s release signature/date, have the buyer sign in the seller area, or fail to have the new owner complete Section 4 and then sign in Section 5. Without the correct release and new owner certification, DMV may not process the transfer and may return the application. Ensure the seller signs the Release of Ownership, the new owner completes all new owner fields, and the new owner signs the correct signature line(s) in Section 5.
Missing signatures, dates, or daytime phone numbers in Section 5
Applicants frequently sign but forget the date, omit the daytime telephone number, or fail to obtain both signatures when two owners are listed. Missing certification elements can invalidate the submission and delay processing. Sign on the “Signature of New Owner” line(s), date each signature, and include a reachable daytime phone number for each signer.
Payment and mailing mistakes (wrong payment type, cash, or missing fees)
People sometimes send cash, forget to include the fee, or use an incorrect payment method despite the instruction to use check or money order and not send cash. Payment issues can cause the application to be rejected or held until corrected. Include the applicable fees with a check or money order payable as required by DMV, and mail the completed application to the exact address listed for the Special Processing Unit.

Frequently Asked Questions About REG 230

 

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How does the AI fill out REG 230?
You answer a few questions in plain words, or upload a document you already have. The AI reads what you give it and puts each answer into the right field of REG 230, 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 REG 230 to fill out?
REG 230 has a Form Complexity Index of 42 out of 100, in the basic tier: 52 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 this Motorized Bicycle (Moped) Instructions/Application (REG 230) used for?
This form is used to apply for a California moped license plate and ID card, request a duplicate ID card and/or substitute plate, or transfer ownership of a moped. It is specifically for vehicles that meet California’s definition of a motorized bicycle (moped).
Who should fill out this form?
Use this form if you own a moped and need an original California plate/ID card, a replacement plate/ID card, or to transfer ownership to a new owner. The correct sections depend on what you are requesting.
How do I know if my vehicle qualifies as a “motorized bicycle (moped)” for this form?
In Section 2, you must answer “Yes” to all four questions: it’s a 2- or 3-wheel device, has fully operative pedals or is powered solely by electrical energy, has an automatic transmission and less than 4 gross brake horsepower, and has a max speed of 30 mph on level ground. If any answer is “No,” you must use Application for Registration (REG 343) instead.
What information do I need to complete Section 1 (Vehicle Information)?
You’ll need the Vehicle Identification Number (VIN), engine number, make, model, and any distinctive marks/features. If the moped already has a California license plate, include that plate number as well.
Which sections do I complete for an original application (first-time California plate and ID card)?
For an original application, complete Sections 1, 2, and 5. An original application is for a vehicle that has never been licensed in California (no CA plate or ID card).
Which sections do I complete to get a duplicate ID card and/or substitute license plate?
Complete Sections 1, 3, and 5. In Section 3, check whether you need a substitute plate, a duplicate ID card, or both (as applicable).
Which sections do I complete to transfer ownership of a moped?
Complete Sections 1, 4, and 5. The seller signs the Release of Ownership in Section 4, and the new owner completes their information and signs in Section 5.
What if the moped ID card (transfer document) is lost during an ownership transfer?
If the ID card is lost, complete Section 3 and have the seller sign the Release of Ownership in Section 4. The new owner must then complete their information in Section 4 and sign in Section 5.
In Section 3, what does it mean to check Lost/Stolen, Destroyed/Mutilated, Surrendered to DMV, or Not Received?
You should select the reason the plate/ID card needs replacement (for example, lost, stolen, damaged, turned in to DMV, or never received). This helps DMV understand why you are requesting a substitute plate and/or duplicate ID card.
What does the statement in Section 3 about returning or destroying the original item mean?
By signing, you confirm DMV has your correct address and you agree to return the original plate/ID card to DMV or destroy it if it later turns up. This helps prevent duplicate documents or plates from being used improperly.
Where do I mail the completed application and fees?
Mail the completed application and applicable fees (check or money order—do not send cash) to: Department of Motor Vehicles, Special Processing Unit - MS D238, P.O. Box 932345, Sacramento, CA 94232-3450.
What payment methods are accepted, and can I send cash?
The form instructs you to pay by check or money order and specifically says not to send cash. Include the applicable fees with your mailed application.
Do moped retail sellers need to include anything extra with this application?
Yes. The form notes that a moped retail seller must include a Statement of Facts indicating they are a retail seller of mopeds along with the application.
Who needs to sign in Section 5 (Certification and Signature)?
The new registered owner(s) must sign and date Section 5 and provide a daytime telephone number. If there are two owners, both should sign on the separate signature lines provided.
How long will processing take after I mail the application?
The form does not list a specific processing time. Processing times can vary, so it’s best to allow mailing time plus DMV processing and contact DMV if you need a status update.
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