N.C. Gen. Stat. § 106-92.11
Should any of the agricultural liming and landplaster materials defined in this Article be found to be deficient in the components claimed by the manufacturer or registrant thereof, said manufacturer or registrant, upon official notification to [of] such deficiency by the Commissioner of Agriculture, shall, within 90 days, make refunds to the consumers of the deficient materials as follows:
In case of "agricultural liming material" if the deficiency is five percent (5%) of the guarantee or more, there shall be refunded an amount equal to three times the value of such deficiency and in case of "landplaster," for deficiencies in excess of one percent (1%) of the guarantee, there shall be refunded an amount equal to three times the value of the deficiency. Values shall be based on the selling price of said materials. When said consumers cannot be found within the above specified time, refunds shall be forwarded to the Commissioner of Agriculture, where said refund shall be held for payment to the proper consumer upon order of the Commissioner. If the consumer to whom the refund is due cannot be found within a period of one year, the clear proceeds of such refund shall be remitted to the Civil Penalty and Forfeiture Fund in accordance with G.S. 115C-457.2.
N.C. Gen. Stat. § 106-92.11