Translated court forms are provided to help limited English-proficient and non-English speaking persons better understand the English court forms. To get statements from a witness that can be introduced as evidence in court.Translation services may also be available from local community agencies, colleges, universities, attorneys, and government agencies. AGENCY. A written statement that someone makes after promising officially to tell the truth. An affidavit can be used as proof in a law court. Find definitions and American Sign Language translations for legal terminology used in legal settings. An affidavit is a written statement made under oath that is typically used in legal proceedings. Learn their purpose, when to use, and how to write. Both copies will be required in court. This new Sixth Edition starts a second century for Black's Law.