California Code, Revenue and Taxation Code - RTC § 23221

(a) Any credit union that incorporates under the laws of this state or qualifies to transact intrastate business in this state shall thereupon prepay a tax of twenty-five dollars ($25) as provided in Section 23153. The prepayment shall be made to the Secretary of State with the filing of the articles of incorporation or the statement and designation by a foreign corporation. The Secretary of State shall transmit the amount of the prepayment to the Franchise Tax Board. The Franchise Tax Board shall certify to the Secretary of State on an individual or class basis those domestic or foreign corporations that are exempt from prepayment or for which prepayment to the Secretary of State is waived.

(b) This section shall become operative and apply beginning on or after January 1, 2001.