California Code, Business and Professions Code - BPC § 12612

The sale of any commodity packaged in a container, wherein both the container and the contents thereof comply with any act of Congress or rules or regulations promulgated thereunder, appertaining to weight, measure or count, does not violate the provisions of this chapter; nor does the sale of malt beverages in containers complying with a rule, regulation or an approval of the United States Treasury Department, Internal Revenue Service or Bureau of Alcohol, Tobacco and Firearms, or of the State Department of Public Health and pertaining to weight, measure or count constitute a violation of the provisions of this chapter.