Montana Affidavit for Correction of a Birth Record
Official state formCorrections and amendmentsFree downloadLast verified November 10, 2026
Notarized sworn statement that lists what a Montana birth record shows now and what the true facts are. It is the basic form to fix errors on a birth certificate and is mailed to Montana Vital Records.
Who can use this form
- The person named on the record, a parent, or another person who states how they represent the person
- The signer swears to have the consent of all parties concerned
- The signature must be notarized, and the notary must verify the signer's ID
What to send with it
- The original notarized affidavit
- Copies of 2 supporting documents, such as a baptismal record, school record, military record (DD214), marriage certificate or passport
- Both documents must show the full name and date of birth, one must also show the place of birth, and they must be at least 5 years old
- Only one document of each type is accepted
- A copy of your photo ID
- A check or money order for $41.00 if the fee applies
Where to send it
- Mail to
- Montana Vital Records PO Box 4210 Helena, MT 59604
- State fee
- No fee if the correction is requested within one year of filing. After one year: $41 ($25 processing + $16 for one certified amended certificate). Additional copies are $16.00 each. The fee is not printed on the affidavit itself.
- Typical processing
- 3-4 weeks
- Source
- Official government page