Cal. Code of Civil Procedure § 2002 : Of The Production Of Evidence — California Code Of Civil Procedure — Manner Of Production — Mode Of Taking The Testimony Of Witnesses — Three modes Date: 1 Aug 2016 TEXT PDF Current through the 2016 Legislative Session The testimony of witnesses is taken in three modes: 1.By affidavit; 2. By deposition; 3. By oral examination. Ca. Civ. Proc. Code § 2002