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?1. Complete the court forms, following all of the steps in these instructions. 2. Explore the affidavit of nonprosecution, its legal implications, and potential future developments in criminal cases. And I am 18 years of age or older. Below are the most commonly used forms in the District Court of the District of Minnesota. For additional forms, please visit the forms library.