Section 67. All commercial fertilizers, soil conditioners, and agricultural liming materials distributed in the commonwealth in containers shall have placed thereon, or affixed to the container, a label setting forth in clearly legible and conspicuous form the information required by the preceding section. The foregoing information in written or printed form shall accompany bulk shipment deliveries and shall be supplied to the purchaser at the time of delivery.

All commercial fertilizers formulated according to specifications which are furnished by a consumer prior to mixing shall be labeled to show the guaranteed analysis, and the name and address of the distributor.