Request the necessary forms for filing an affidavit of nonprosecution. Fill out the forms accurately and completely.I am the complaining witness against. , the Defendant in the above referenced case. I intend for this document to serve as my Affidavit for Non-Prosecution in the matter of the State of Texas v. I will respond to you within 24 hours. How to fill out the Affidavit for Non-Prosecution in Texas? Explore the affidavit of nonprosecution, its legal implications, and potential future developments in criminal cases. An Affidavit of NonProsecution (ANP) is a legal document that can have a significant impact on criminal proceedings in Texas.