CA Health & Safety Code Section 25404.3.1

A city or other local agency, which, as of December 31, 1999, has been designated as an administering agency pursuant to Section 25502, or has assumed responsibility for the implementation of Chapter 6.7 (commencing with Section 25280) pursuant to Section 25283, and that wishes to administer the unified program or an element of the unified program identified in subdivision (c) of Section 25404, shall request the secretary to include the agency in the implementation structure established by paragraph (2) of subdivision (f) of Section 25404.3. The secretary may grant the request for as long as the agency remains qualified to implement the unified program or an element of the program.