California Code, Vehicle Code - VEH § 23308

(a) Subject to extenuating circumstances and holidays, the hours during which one of the issuing or processing agency's offices or customer service centers are open to the public to provide customer service related to electronic toll collection shall include at least five hours per week between the hours of 6 a.m. to 8 a.m. or 5 p.m. to 7 p.m., or on a Saturday.

(b) A person shall be able to conduct all of the following transactions at either the issuing agency's office or customer service center:

(c) Except as otherwise provided in subdivision (b) of Section 23306, the issuing agency shall not charge persons paying cash an additional transaction fee for any transaction listed in paragraphs (1) to (3), inclusive, of subdivision (b) that are conducted at the issuing or processing agency's office, or customer service center.  There shall be at least one issuing or processing agency's office or customer service center within the issuing agency's jurisdiction.

(d) The issuing agency shall have two or more physical locations within each county in which a toll facility operated by the issuing agency is located for purposes of conducting the transactions set forth in paragraphs (2) and (3) of subdivision (b).

(e) This section shall become operative on July 1, 2024.