How do i go about filling out an affidavit of non prosecution? Is there a form i can fill out or a certain wording required?Resources and information to help you navigate your court case, including step-by-step guides for following procedures and help with understanding your options. California Judicial Council Form FL303 or Kings County Superior. Explore the affidavit of nonprosecution, its legal implications, and potential future developments in criminal cases. An affidavit of nonprosecution is available from the prosecuting attorney normally in domestic violence cases. Welcome to Washington State Courts. This page provides information on the current district attorney and their mission statement.