(1) The amount of tare to be deducted from the gross weight of each bale of hops grown and sold is fixed at five pounds per bale for bales wrapped in burlap cloth. The tare for bales wrapped in plastic baling cloth is fixed at zero.

(2) Any vendor of hops using heavier sacking than specified above or using any extraneous material in the baling thereof shall have the additional sacking or extraneous material deducted as additional tare.