No licensee shall send or cause to be sent, any woman or minor under the age of 18 years, as an employee to any house of ill fame, to any house or place of amusement for immoral purpose, to places resorted to for the purposes of prostitution, or to gambling houses, the character of which places the licensee could have ascertained upon reasonable inquiry.
Source:
Section 1698.4, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=LAB§ionNum=1698.4..