Cal. Bus. & Prof. Code § 25504
Any person violating any provision of Sections 25500 to 25503, inclusive, is guilty of a misdemeanor, and any holder of any retail on-sale or retail off-sale license who solicits any such violation or accepts or permits to be accepted on his behalf and with his consent any of the prohibited matters, articles, or acts is guilty of a misdemeanor.
The provisions of Sections 25500 to 25503, inclusive, do not apply to any equipment, fixtures, or supplies furnished, given, lent, or sold prior to June 13, 1935, so long as the equipment, fixtures, or supplies remain in the premises in which installed prior to that time, nor do they apply to carbonic acid gas or tapping accessories furnished to any one on-sale licensee to a limit of not exceeding a value of five dollars ($5) per tap in any one calendar year.
Ca. Bus. and Prof'l. Code § 25504