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Oklahoma Acknowledgment of Paternity (03PA209E)

Oklahoma Human Services, Child Support ServicesParentage and paternityForm 03PA209EFree downloadLast verified November 10, 2026

Unmarried parents sign this form to establish paternity. It adds the biological father to the child's birth certificate and can change the child's last name. It is mailed to the Oklahoma State Department of Health, Division of Vital Records.

Who can use this form

  • The biological mother and biological father of a child whose parents were not married to each other when the child was conceived or born
  • Only the biological father should sign; the form says not to sign if a genetic test showed he is not the father
  • If the mother was married to someone else at conception or birth, her spouse must complete Form 03PA210E, Denial of Parentage, and the child must be under 2 years old
  • If the child is 18 or older, the child must sign Form 03PA212E, Adult Child's Consent

What to send with it

  • The completed form with every blank filled in, including Social Security numbers if available
  • Each parent's signature made in front of a witness who is not related to either parent; parents cannot witness each other
  • Form 03PA210E, Denial of Parentage, attached if the mother was married at conception or birth
  • Mail the white and yellow copies; the pink copy goes to the mother and the gold copy to the father

Where to send it

Mail to
Oklahoma State Department of Health Division of Vital Records P. O. Box 248964 Oklahoma City, OK 73124-8964
State fee
Not provided
Typical processing
Not printed on the form. The office's amendments page says legal changes such as adoptions and paternities can take up to 4 months; its FAQ fee table says up to 4 weeks.
Issued by
Oklahoma Human Services, Child Support Services
Form revision
3/5/2026
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Oklahoma Acknowledgment of Paternity (03PA209E) | Oklahoma Form