California Code, Government Code - GOV § 50034

(a)(1) No later than January 1, 2029, a local agency that maintains an internet website for use by the public shall ensure that the internet website utilizes a “.gov” top-level domain or a “.ca.gov” second-level domain.

(2) If a local agency that is subject to paragraph (1) maintains an internet website for use by the public that is noncompliant with paragraph (1) by January 1, 2029, that local agency shall redirect that internet website to a domain name that does comply with paragraph (1).