California Code, Public Resources Code - PRC § 13075

(a) No district shall engage in any activity or provide any service not already engaged in or provided, or budgeted for, as of July 1, 1970. Whenever any activity or service of a district is terminated, it shall not be reactivated.

(b) Notwithstanding the provisions of subdivision (a), any obligations of a district which are outstanding as of the effective date of this section shall be considered exceptions to subdivision (a) and may be fully performed, and the provisions of this section shall not be construed in any manner so as to impair the contractual rights of any person.

(c) On or before January 1, 1972 the district board shall certify in writing to the Secretary of State any and all activities and services being engaged in or provided, or budgeted for, as of July 1, 1970, and all outstanding obligations of the district as of the effective date of this section, and shall transmit a copy of such certification to the State Controller, which shall be presumptive evidence of the activities authorized to be performed by the district.