California Code, Revenue and Taxation Code - RTC § 6201.1

(a) Notwithstanding Section 6201, an excise tax is hereby imposed on the storage, use, or other consumption in the state of tangible personal property purchased from any retailer on or after the operative date of this subdivision, for storage, use, or other consumption in this state at the rate of 5 percent of the sales price of the property on and after the operative date of this subdivision.

(b) Subdivision (a) shall become operative on December 1, 1989, and shall cease to be operative on January 1, 1991.

(c) The rate prescribed by Section 6201 shall be applicable on and after the first day following the date subdivision (a) ceases to be operative pursuant to subdivision (b).