N.C. Gen. Stat. § 130A-309.21: Incentives program.

(a) The Department is authorized to establish an incentives program for individuals who change their own oil to encourage them to return their used oil to a used oil collection center.

(b) The incentives used by the Department may involve the use of discount or prize coupons, prize drawings, promotional giveaways, or other activities the Department determines will promote collection, reuse, or proper disposal of used oil.

(c) The Department may contract with a promotion company to administer the incentives program. (1989, c. 784, s. 2.)