The authorization for the State of California to issue Pollution Control Revenue Bonds was passed by a vote of the people November 7, 1972 (Proposition 3). Enabling legislation (Assembly Bill 1925, Knox) was passed by the State Legislature during the 1972 Regular Session. It was approved by the Governor and filed with the Secretary of State on December 19, 1972 (Chapter 1257, Statutes of 1972), and was titled the California Pollution Control Financing Authority Act. The effective date of Chapter 1257 was March 7, 1973. Several amendments were made by Assembly Bill 542, Knox (Chapter 277, Statutes of 1973) which was effective August 15, 1973. Further amendments have been made by Assembly Bill 4108, Knox (Chapter 1473, Statutes of 1974), Assembly Bill 2126, Knox (Chapter 1165, Statutes of 1975, Assembly Bill 1758, Lewis (Chapter 957, Statutes of 1975), Assembly Bill 2105, Dills (Chapter 1381, Statutes of 1976), Assembly Bill 3750, Knox (Chapter 1384, Statutes of 1976), Assembly Bill 855, Knox (Chapter 650, Statutes of 1977), Assembly Bill 1558, Hart (Chapter 1082, Statutes of 1977), Assembly Bill 121, Lewis (Chapter 1195, Statutes of 1977), Assembly Bill 980, Knox (Chapter 839, Statutes of 1979), Assembly Bill 2646, Bates (Chapter 794, Statutes of 1980), and Senate Bill 216, Boatwright (Chapter 1091, Statutes of 1981). The legislation relating to the Act and the Authority is contained in Division 27 of the Health and Safety Code (commencing with Section 44500).