Select, complete, and sign the appropriate form from among the following three alternative Petition for Letters forms, depending on: If Decedent left a Will:. You cannot open an estate account using the Small Estate Affidavit.You would need to be an Executor to do so. Download and complete a Probate Notice to Creditors form. Begin the probate process. Wait ten days after mailing or delivering the last of the letters. 7. Fill out the blank Small Estates Affidavit in this packet in front of a notary. Petition for Probate. We're ready to help. This guide explains the account settlement process after the death of a member.