California Code, Public Utilities Code - PUC § 99155.6

(a) The Transportation Agency, in consultation with public transit operators, shall conduct an assessment of the procedures public transit operators use to provide dial-a-ride and paratransit services to individuals with disabilities who are visiting their service territories and are certified to use another in-state public transit operator's similar dial-a-ride and paratransit services, to the extent available.  The assessment shall include, but not be limited to, timelines and methods for qualifying individuals to submit certification documents, including by electronic submission, to transit operators.

(b) On or before July 1, 2021, the Transportation Agency shall publish the assessment on its internet website.

(c) After conducting and publishing the assessment, the Transportation Agency shall adopt guidelines for the development of a statewide program to enable individuals with disabilities who a public transit operator has certified to use its dial-a-ride and paratransit services to use another in-state public transit operator's similar dial-a-ride and paratransit services, to the extent available.