Ala. Code § 12-17-194: Commencing Prosecution on Own Affidavit.

Any district attorney who commences a prosecution for any criminal offense by his own affidavit, except for an offense against his person or property or for a violation of the revenue laws or the prohibition laws, or unless the affidavit is upon his personal knowledge of the commission of the offense, shall, on conviction, be fined not less than $50.00.