Substitution of collateral.

§ 25A-26. Substitution of collateral. Subject to the provisions of G.S. 25A-23, if all involved parties agree, there may be a substitution of collateral under a security instrument in a consumer credit sale. For such substitution, the seller may impose a fee not to exceed ten percent (10%) of the unpaid balance of the debt or fifteen dollars ($15.00), whichever is less.