Cal. Code of Civil Procedure § 2020.010 : Civil Discovery Act — California Code Of Civil Procedure — Nonparty Discovery — General Provisions — Methods to obtain discovery Date: 1 Aug 2016 TEXT PDF Current through the 2016 Legislative Session (a) Any of the following methods may be used to obtain discovery within the state from a person who is not a party to the action in which the discovery is sought: (1) An oral deposition under Chapter 9 (commencing with Section 2025.010). (2) A written deposition under Chapter 11 (commencing with Section 2028.010). (3) A deposition for production of business records and things under Article 4 (commencing with Section 2020.410) or Article 5 (commencing with Section 2020.510). (b) Except as provided in subdivision (a) of Section 2025.280, the process by which a nonparty is required to provide discovery is a deposition subpoena. Ca. Civ. Proc. Code § 2020.010 Added by Stats 2004 ch 182 (AB 3081),s 23, eff. 7/1/2005.