California Code, Labor Code - LAB § 2651

The manufacture by industrial homework of any of the following materials or articles shall be unlawful, and no license or permit issued under this part shall be deemed to authorize such manufacture: articles of food or drink; articles for use in connection with the serving of food or drink; articles of wearing apparel; toys and dolls; tobacco; drugs and poisons; bandages and other sanitary goods; explosives, fireworks, and articles of like character; articles, the manufacture of which by industrial homework is determined by the division to be injurious to the health or welfare of the industrial homeworkers within the industry or to render unduly difficult the maintenance of existing labor standards or the enforcement of labor standards established by law or regulation for factory workers in the industry.