Cal. Health & Safety Code § 32154

The board or the hearing officer, if one is appointed, shall have the same power with respect to the issuance of subpoenas and subpoenas duces tecum as that granted to any agency or presiding officer pursuant to Article 11 (commencing with Section 11450.10) of Chapter 4.5 of Part 1 of Division 3 of Title 2 of the Government Code. Any subpoena or subpoena duces tecum issued pursuant to this section shall have the same force and effect and impose the same obligations upon witnesses as that provided in Article 11 (commencing with Section 11450.10) of Chapter 4.5 of Part 1 of Division 3 of Title 2 of the Government Code.