California Drug-Free Workplace Act. Employers that are awarded any state service contract or grant from any state agency must provide a notice in a conspicuous place telling employees that the unlawful manufacture, distribution, dispensation, possession, or use of a controlled substance is prohibited in the person's or organization's workplace and specifying the actions that will be taken against employees for violations of the prohibition (CA Gov. Code Sec. 8355, Sec. 8356).
Child labor. Farm employers with employees under the age of 18 are required to post conspicuously, in English and Spanish, a notice stating that minor children may work on the premises only with work permits and only if legally permitted to do so (CA Educ. Code Sec. 49140).
Employers with five or more workers must post form DFEH 162 containing a notice of the provisions of the Fair Employment and Housing Act,
including information about the illegality of sexual harassment. This form is available at http://www.dfeh.ca.gov
If the workforce includes 10 percent or more non-English-speaking persons, the information must be translated into the appropriate foreign languages. The federal poster, Equal Opportunity is ...