This chapter is adopted pursuant to the provisions of Chapter 4.7 (commencing with §65970) of Division 1 of Title 7 of the Government Code; and pursuant to the general police power of the city granted by California Constitution Article XI; Section 5; and by Petaluma city Charter Section 81; and repeal or amendment of Chapter 4.7 of Division 1 of Title 7 of the Government Code shall not affect the validity hereof. (Ord. 1377 NCS §1 (part), 1979.)