To change the date or place of marriage or dissolution, the officiant (marriage) or clerk of court (dissolution) must complete and submit the affidavit. 7. Fill out the blank Small Estates Affidavit in this packet in front of a notary.Sign it when the notary tells you to. 4. List all documents you served (check all that apply): (The most common documents are listed below. Check only those documents that were served. Utilize our affidavit of service template to attest legal documents served to a party involved in a legal proceeding. 72.085 provides as follows: RCW 9A.72.085. Online Real Estate Tax Affidavit Helpful Hints. Washington State Law requires that a Real Estate Excise Tax Affidavit be completed and signed prior to a deed. Free printable affidavit forms available at .