CA Civ Code Section 1954.29

Nothing in this chapter shall, with respect to a public entity:

(a)

Grant, enlarge, or diminish any power (1) which it may possess under the provisions of, and for the purposes of, Division 1 (commencing with Section 65000) of Title 7 of the Government Code, (2) with respect to charter cities, planning, or zoning powers granted under Section 5 of Article XI of the California Constitution, or (3) any power which it may possess to mitigate the impact caused by the construction, reconstruction, demolition, or alteration of the size of any commercial real property. However, this subdivision does not apply to any actions taken for the clear or systematic purpose of circumventing this chapter.

(b)

Grant, repeal, enlarge, or diminish any authority to require a business license, whether for regulation or revenue.