Every person authorized to request a correction must complete an Affidavit and Certificate of Correction Request. An affidavit is the written equivalent of verballygiven court testimony.An affidavit of birth is a document submitted to a court, state, or other institution. The following are basic rules for proper and safe notarization: 1) Keep your notary seal in a safe place; 2) Do not notarize a signature unless the signer. Order certified copies of records for events that occurred in McLean County. Birth records, Birth record of a deceased person, Marriage records, Death records. Below are a list of answers to the most commonly asked questions the bureau receives. Correct a birth or death record. By law, we cannot make corrections to your birth record. Learn what an affidavit is, its important components, requirements, and uses.