The United States Supreme Court has held the regulations of the California Department of Alcoholic Beverage Control which prohibit certain sexual acts and the display of specific parts of the body, as entertainment in licensed establishments, do not, on their faces, violate the United States Constitution.
California v. La Rue, 409 U.S. 109 (1972).
Richard C. Lane,
Constitutional Law - First and Twenty-First Amendments,
Duq. L. Rev.
Available at: https://dsc.duq.edu/dlr/vol12/iss4/16