39-71-535. Collection of penalties, claim costs, late fees, and interest -- liability for payment of collection costs. (1) If the department is unable to collect penalties, claim costs, late fees, or interest assessed pursuant to the provisions of this part, the department may assign the debt to a collection service or transfer the debt to the department of revenue pursuant to Title 17, chapter 4, part 1.

(2) (a) The reasonable collection costs of a collection service, if approved by the department, or assistance costs charged the department by the department of revenue pursuant to 17-4-103(3) may be added to the debt for which collection is being sought.

(b) (i) All money collected by the department of revenue is subject to the provisions of 17-4-106.

(ii) All money collected by a collection service must be paid to the department, except that the collection service may retain those collection costs or, if the total debt is not collected, that portion of collection costs that are approved by the department.