California Code, Welfare and Institutions Code - WIC § 4686.31

(1) The department shall develop and post a standard form for vendors to complete and provide to the family for signature. The form shall include, but not be limited to, the name and title of the vendor, the vendor identification number, the name of the consumer, the unique client identifier, the location of the service, the date and start and end times of the service, and a description of the service provided. The form shall also include instructions for the parents or legally appointed guardians to contact the regional center service coordinator immediately if they are unable to sign the form.

(2) The vendor shall provide the parents or legally appointed guardians of a minor consumer with the department form to sign. The form shall be signed and dated by the parents or legally appointed guardians of a minor consumer and be submitted to the vendor providing services within 30 days of the month in which the services were provided.

(3) The vendor shall submit the completed forms to the regional center together with the vendor's invoices for the services provided.

(4) If the parents or legally appointed guardians of a minor consumer do not submit a form to the vendor, the vendor shall notify the regional center.

(5) This subdivision shall only apply to the following types of services: Behavior Analyst, Associate Behavior Analyst, Behavior Management Assistant, Behavior Technician (Paraprofessional), Behavior Management Consultant, Counseling Services, Tutor, Crisis Team-Evaluation and Behavioral Intervention, Tutor Services-Group, Client/Parent Support Behavior Intervention Training, and Parent-Coordinated Home Based Behavior Intervention Program for Autistic Children.