A California affidavit form is fairly straightforward, requiring basic identifying information along with the details to which you are attesting. Enter the correct date on which the affidavit was signed, along with the city and state where the signing occurred.This article will shed light on the specifics of a California affidavit template, a vital tool that can simplify your legal journey. General affidavit form for use within the State of California. Modify this affidavit to meet your specific needs. I understand that the information may be subject to investigation and verification and my signature constitutes authorization for these investigations. (2) The declarant, before filing, has physically signed a printed form of the document. It can be used for various legal purposes but must be signed in with a notary public to count as a legal document. California Affidavit Templates. Use our Affidavit template to swear to the truthfulness of a statement or fact.