A California affidavit form is fairly straightforward, requiring basic identifying information along with the details to which you are attesting. How to fill out the Los Angeles County Affidavit Statement Form?1. My legal name is ______. Complete and sign this application LEGIBLY using ONLY black or blue ink on the attached or downloaded form using only 8 ½" x 11" (or A4, 8.25" x 11.7") paper. Applicant's Name. Address. Verify statements for legal matters and business transactions using our California general affidavit form template. Not all forms are listed. The Los Angeles Superior Court does not endorse the use of Google™ Translate. Other translation services may be used to view our site. Department of Social Services.