Bus. & Prof. Code, § 26308

(a) An agreement entered into pursuant to this chapter shall not take effect unless one of the following occurs:

(1) Federal law is amended to allow for the interstate transfer of cannabis or cannabis products between authorized commercial cannabis businesses.

(2) Federal law is enacted that specifically prohibits the expenditure of federal funds to prevent the interstate transfer of cannabis or cannabis products between authorized commercial cannabis businesses.

(3) The United States Department of Justice issues an opinion or memorandum allowing or tolerating the interstate transfer of cannabis or cannabis products between authorized commercial cannabis businesses.

(4) The Attorney General issues a written opinion, through the process established pursuant to Section 12519 of the Government Code, that state law authorization, under an agreement pursuant to this chapter, for medicinal or adult-use commercial cannabis activity, or both, between foreign licensees and state licensees will not result in significant legal risk to the State of California under the federal Controlled Substances Act, based on review of applicable law, including federal judicial decisions and administrative actions.

(b) The department shall notify the Governor and the appropriate policy committees of the Legislature upon the occurrence of an event described in subdivision (a), and shall post the notification on the department’s internet website.