S.C. Code Ann. § 39-5-170: Vehicle glass repair business; unlawful practices.

It is an unfair trade practice and unlawful for a person who is acting on behalf of or engaged in a vehicle glass repair business to offer or make a payment or transfer money or other consideration to:

(1) a third person for the third person's referral of an insurance claimant to the vehicle glass repair business for the repair or replacement of vehicle safety glass;

(2) an insurance claimant in connection with the repair or replacement of vehicle safety glass; or

(3) waive, rebate, give, or pay all or part of an insurance claimant's casualty or property insurance deductible as consideration for selecting the vehicle glass repair business.