Government Code § 26201
CHAPTER 13. Miscellaneous Powers
The board may authorize at any time the destruction or disposition of any duplicate record, paper, or document, the original or a permanent photographic reproduction of which is in the files of any officer or department of the county.
The board may authorize at any time the destruction or disposition of any duplicate or copy of a notice to appear in court, or promise to appear in court, that is filed with any officer or department of the county, 12 months after the original of such notice or promise has been filed with the magistrate or a person authorized by the magistrate to receive a deposit of bail specified therein.