Cal. FAC § 27584

If a respondent in an administrative action agrees to stipulate to the notice of proposed action, a signed stipulation with the payment of the proposed administrative penalty shall be returned to the commissioner or secretary, as applicable, within 45 days of the postmark of the notice of the proposed action. If the stipulation and payment of the proposed administrative penalty are not received within 45 days, the commissioner or the secretary may file a certified copy of a final decision that directs the payment of an administrative penalty with the clerk of the superior court of any county. Judgment shall be entered immediately by the clerk in conformity with the decision. Pursuant to Section 6103 of the Government Code, no fees shall be charged by the clerk of the superior court for the performance of any official service required in connection with the entry of judgment pursuant to this section.