A controlled substance analog, to the extent intended for human consumption, shall be treated, for the purposes of this chapter, as a substance included in Schedule I. Within thirty days after the initiation of prosecution with respect to a controlled substance analog by indictment or information, the prosecuting attorney shall notify the commission of information relevant to emergency scheduling as provided for in RCW
69.50.201(e) [(5)]. After final determination that the controlled substance analog should not be scheduled, no prosecution relating to that substance as a controlled substance analog may continue or take place.