Gov. Code, § 50479

(a) On or before January 1, 2016, the airport manager of an airport operated by a city, county, city and county, or airport district that conducts commercial operations and that has more than one million enplanements a year shall provide a room or other location at each airport terminal behind the airport security screening area for members of the public to express breast milk in private that meets both of the following conditions:

(1) Includes, at a minimum, a chair and an electrical outlet.

(2) Is located outside of the confines of a public restroom.

(b) (1) Terminal One at the San Diego International Airport is exempt from providing a room or other location behind the airport security screening area, but shall provide a secure room located in the same terminal prior to entering the security screening area that meets all of the other conditions of subdivision (a). Terminal One at the San Diego International Airport shall comply with subdivisions (a) and (d) upon construction of a new terminal or the replacement, expansion, or renovation of the existing terminal.

(2) The commuter terminal at the San Diego International Airport is exempt from this section, except that it shall comply with subdivisions (a) and (d) upon construction of a new terminal or the replacement, expansion, or renovation of the existing terminal.

(c) An airport that conducts commercial operations with less than one million enplanements a year shall comply with subdivisions (a) and (d) upon new terminal construction or the replacement, expansion, or renovation of an existing terminal.

(d) Upon construction of a new terminal or the replacement, expansion, or renovation of an existing terminal, an airport shall provide a sink in any room or other location designated to comply with this section.

(e) As used in this section, “renovation of an existing terminal” means the repurposing of more than 25 percent of the space in the terminal.