California Code, Business and Professions Code - BPC § 26304

(a) An agreement shall include provisions requiring the department and the appropriate regulatory authorities of the contracting state to address public health and welfare emergencies concerning cannabis or cannabis products that are sold or intended for sale within this state, including for the prompt recall or embargo of adulterated or misbranded cannabis or cannabis products.

(b) An agreement shall include provisions requiring the appropriate regulatory authorities of each state to investigate instances of alleged noncompliance with the commercial cannabis regulatory programs upon request by the other state and in accordance with mutually agreed-upon procedures.  An agreement shall include provisions requiring the contracting state to reasonably cooperate with California investigations concerning foreign licensees, and requiring the department to reasonably cooperate with investigations by the contracting state concerning persons or entities holding state licenses.