Labeling.

(b) If the fertilizer is distributed in bulk shipments, a written or printed statement of the information required by subsection (a) of this section shall accompany delivery and be supplied to the purchaser at the time of delivery. (c) A fertilizer formulated according to specifications which are furnished by or for a consumer prior to mixing shall be labeled to show the net weight, guaranteed analysis and the name and address of the applicable distributor or registrant.