California Code, Government Code - GOV § 14509.5

(a) Notwithstanding any other law, each member of an advisory committee to the commission who is not a commission member shall receive a per diem of one hundred dollars ($100) for each day actually spent in the discharge of authorized advisory committee duties, and shall also be reimbursed for traveling and other expenses necessarily incurred in the performance of those duties.

(b) For purposes of this section, “advisory committee” includes, but is not limited to, those committees described in Sections 14506 and 14506.5 of this code and Section 3090 of the Vehicle Code.