Any licensee performing services authorized by §§ 36-21A-119 to 36-21A-150 , inclusive, is limited to the following relationships: (1) Single agent: (a) Seller/landlord agent; (b) Buyer/tenant agent; (2) Limited agent; (3) Subagent; and (4) Transaction broker. Source: SL 1998, ch 229 , § 8.