(a) A nonresident seller's agent may:
(1) represent only the holders of nonresident seller's permits;
(2) solicit and take orders for the sale of liquor from permittees authorized to import liquor for the purpose of resale; and
(3) if the agent represents the holder of a nonresident seller's permit, provide samples or tastings of distilled spirits on a retailer's premises as authorized by Section 37.01(d).
(b) A person acting as a nonresident seller's agent may only represent one permitted or licensed business at a time while soliciting or taking orders.