Section 1550 Of Article 3. Photographic Copies And Printed Representations Of Writings From California Evidence Code >> Division 11. >> Chapter 2. >> Article 3.

. (a) If made and preserved as a part of the records of a business, as defined in Section 1270, in the regular course of that business, the following types of evidence of a writing are as admissible as the writing itself:
  (1) A nonerasable optical image reproduction or any other reproduction of a public record by a trusted system, as defined in Section 12168.7 of the Government Code, if additions, deletions, or changes to the original document are not permitted by the technology.
  (2) A photostatic copy or reproduction.
  (3) A microfilm, microcard, or miniature photographic copy, reprint, or enlargement.
  (4) Any other photographic copy or reproduction, or an enlargement thereof.
  (b) The introduction of evidence of a writing pursuant to subdivision (a) does not preclude admission of the original writing if it is still in existence. A court may require the introduction of a hard copy printout of the document.