The documents must also be properly served on the other parent. Much confusion surrounds the need to submit I751 affidavits and how to write them.We explain and provide an I-751 affidavit sample. By clicking the link in this sentence you can download an example child support order and worksheet from Washington State Superior Court. Washington Affidavit of Service Template. Utilize our affidavit of service template to attest legal documents served to a party involved in a legal proceeding. 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. With this fill-in-the-blanks legal template, non-lawyers can create their own documents with ease. O Fill out the final child support forms.