How to file an affidavit of non prosecution in Texas? In filling out the affidavit you need to make sure that 1) all the court information, jurisdiction, charges, etc.And I am 18 years of age or older. This form contains detailed information that you and your lawyer need in order to more accurately assess the situation and craft an effective defense strategy. I understand I have the right to counsel to advise me before I sign this affidavit. I have exercised that right or am giving up that right. An affidavit of nonprosecution is a sworn document in which the plaintiff expresses their desire not to prosecute the case or participate in the prosecution. An ANP is a sworn document in which an accuser states that they do not wish to pursue charges against the defendant. In general, Texas has very few official legal forms. This is why you will not always find a free fill-in-the-blank form for your situation.