“Urban area” means either of the following:

(a) The central portion of a city or a group of contiguous cities with a population of 50,000 or more, together with adjacent densely populated areas having a population density of at least 1,000 persons per square mile.

(b) An urbanized area as defined in paragraph (2) of subdivision (b) of former § 21080.7 of the Public Resources Code, as enacted by Section 6 of Chapter 1130 of the Statutes of 1993.

(Added by Stats. 2022, Ch. 257, Sec. 2. (AB 2293) Effective January 1, 2023. Operative January 1, 2024, pursuant to Sec. 4 of Stats. 2022, Ch. 257.)