Wash. Rev. Code § 69.04.580
An application under RCW 69.04.570 shall be filed with the director, and subject to any waiver by the director, shall include (1) full reports of investigations which have been made to show whether or not the drug, subject to the application, is safe for use under the conditions prescribed, recommended, or suggested in the labeling thereof; (2) a full list of the articles used as components of such drug; (3) a full statement of the composition of such drug; (4) a full description of the methods used in, and the facilities and controls used for, the manufacture, processing, and packing of such drug; (5) such samples of such drug and of the articles used as components thereof as the director may require; and (6) specimens of the labeling proposed to be used for such drug.
RCW 69.04.580