(a) "Sworn declaration" means a declaration in a signed record given under oath. (4) "Sworn declaration" means a declaration in a signed record given under oath.The term includes a sworn statement, verification, certificate, and affidavit. This procedure allows someone legally entitled to inherit a decedent's personal property to get that property without going through probate. Free printable affidavit forms available at . General affidavit form for use within the State of Washington. Modify this affidavit to meet your specific needs. Utilize our affidavit of service template to attest legal documents served to a party involved in a legal proceeding.