We can amend the record of birth that happened in Washington State from 1907 to present. You must complete the amendment application and send it to us.Send completed certificate order form with your correction request. Include all required documents referenced on the certificate application instruction page. Making changes to birth certificates. You can use the Affidavit for Correction form and required proof for most corrections. Visit the Washington State Department of Health to learn how to amend an error with an Affidavit for Correction. Amendments to vital records include modifications made to filed records. Only certification items on the current DC birth certificate format may be amended. The form will need to be signed in front of a notary.