Grade means any one of the officially established grades of apricots as defined and set forth in:
(a) United States Standards for Apricots (Sec. Sec. 51.2925 to 51.2932 of this title) or amendments thereto, or modifications thereof, or variations based thereon;
(b) Standards for apricots issued by the State of Washington or amendments thereto, or modifications thereof, or variations based thereon.