California Code, Food and Agricultural Code (Formerly Agricultural Code) - FAC § 31255

(a) An animal control officer of any county, if so authorized by the board of supervisors of the county, or an animal control officer of any city, if so authorized by the governing body of the city, may accept a credit card as a method of payment for any fee or penalty provided by this division, for any license, fee, or fine, or for any other obligation owed to the officer.

(b) Notwithstanding Title 1.3 (commencing with Section 1747) of Part 4 of Division 3 of the Civil Code, a surcharge may be imposed to cover the rate of discount that the credit card issuer debits the local agency on acceptance of the sales draft.