California Code, Government Code - GOV § 8670.37.51

(a) A tank vessel or vessel carrying oil as a secondary cargo shall not be used to transport oil across waters of the state unless the owner or operator has applied for and obtained a certificate of financial responsibility issued by the administrator for that vessel or for the owner of all of the oil contained in and to be transferred to or from that vessel.

(b) An operator of a marine terminal within the state shall not transfer oil to or from a tank vessel or vessel carrying oil as a secondary cargo unless the operator of the marine terminal has received a copy of a certificate of financial responsibility issued by the administrator for the operator of that vessel or for all of the oil contained in and to be transferred to or from that vessel.

(c) An operator of a marine terminal within the state shall not transfer oil to or from any vessel that is or is intended to be used for transporting oil as cargo to or from a second vessel unless the operator of the marine terminal has first received a copy of a certificate of financial responsibility issued by the administrator for the person responsible for both the first and second vessels or all of the oil contained in both vessels, as well as all the oil to be transferred to or from both vessels.

(d) An owner or operator of a facility where a spill could impact waters of the state shall apply for and obtain a certificate of financial responsibility issued by the administrator for the facility or the oil to be handled, stored, or transported by the facility.

(e) Pursuant to Section 8670.37.58, nontank vessels shall obtain a certificate of financial responsibility.