California Code, Government Code - GOV § 8670.69.4

(a) When the administrator determines that any person has undertaken, or is threatening to undertake, any activity or procedure that (1) requires a permit, certificate, approval, or authorization under this chapter, without securing a permit, or (2) is inconsistent with any of the permits, certificates, rules, regulations, guidelines, or authorizations previously issued or adopted by the administrator, or (3) threatens to cause or substantially increases the risk of unauthorized discharge of oil into the waters of the state, the administrator may issue an order requiring that person to cease and desist.

(b) Any cease and desist order issued by the administrator may be subject to those terms and conditions as the administrator may determine are necessary to ensure compliance with this division.

(c) Any cease and desist order issued by the administrator shall become null and void 90 days after issuance.

(d) A cease and desist order issued by the administrator shall be effective upon the issuance thereof, and copies shall be served immediately by certified mail upon the person or governmental agency being charged with the actual or threatened violation.

(e) Any cease and desist order issued by the administrator shall be consistent with subdivision (a) of Section 8670.27.