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PART 4. MISCELLANEOUS PROVISIONS 1855-2107›TITLE 4. CIVIL DISCOVERY ACT 2016.010-2036.050›CHAPTER 14. Inspection, Copying, Testing, Sampling, and Production of Documents, Electronically Stored Information, Tangible Things, Land, and Other Property 2031.010-2031.510›ARTICLE 3. Inspection and Production of Documents and Other Property in Specific Contexts 2031.510

§ 2031.510

California Code of Civil Procedure · 2026-09 edition · updated 2026-10-03 · California

(a) In any action, regardless of who is the moving party, where the boundary of land patented or otherwise granted by the state is in dispute, or the validity of any state patent or grant dated before 1950 is in dispute, all parties shall have the duty to disclose to all opposing parties all nonprivileged relevant written evidence then known and available, including evidence against interest, relating to the above issues.

(b) This evidence shall be disclosed within 120 days after the filing with the court of proof of service upon all named defendants. Thereafter, the parties shall have the continuing duty to make all subsequently discovered relevant and nonprivileged written evidence available to the opposing parties.

(Added by Stats. 2004, Ch. 182, Sec. 23. Effective January 1, 2005. Operative July 1, 2005, by Sec. 64 of Ch. 182.)

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