An act to amend Sections 300, 302, 303, 306, 306.5, 350, 354, 357, 358, 359, 360, 421, 423, 426, 500.5, 501, 502, 503, 504, 506, 510, 511, 550, 552, 554, 556, 558, and 560 and 511 of, and to add Part 6 (Commencing with Section 570) to Division 3 of, the Family Code, to amend Sections 26840, 26840.1, 26840.3, and 26840.7 of the Government Code, to amend Sections 102225, 102285, 102310, 102325, 102355, 102356, 103235, 103426, 103431, 103435, and 103443 of the Health and Safety Code, to amend Section 360 of the Penal Code, and to amend Sections 18293, 18305, 18308, 18309, and 18309.5 of the Welfare and Institutions Code, relating to marriage.