California Code, Government Code - GOV § 25105

(a) Each photograph, microphotograph, or photocopy shall be made in a manner and on paper which will comply with Section 12168.7 for recording of permanent records or nonpermanent records, whichever applies. Every reproduction shall be deemed and considered an original; a transcript, exemplification, or certified copy of any reproduction shall be deemed and considered a transcript, exemplification, or certified copy, as the case may be, of the original. Each roll of microfilm shall be deemed and constitute a book and shall be designated and numbered, and provision shall be made for preserving, examining, and using it. A duplicate of each roll of microfilm shall be made and kept in a safe and separate place.

(b) Electronic data processing records, records recorded on optical disk, and records recorded on any other medium shall comply with Section 12168.7. A duplicate copy of any record reproduced in compliance with Section 12168.7 for recording of permanent records or nonpermanent records, whichever applies, shall be deemed an original.

(c) In the event the authorization provided herein is granted, the personal signatures required by Section 25103, if technically feasible, may be reproduced by the authorized process, and the reproduced signatures shall be deemed to satisfy the requirement of Section 25103. If the documents are signed using a digital signature, reproduced documents shall be considered authenticated if the reproduced documents are created by a trusted system, as defined in pertinent digital signature regulations.