Auctioneer's authority from the seller

30-11-506 . Auctioneer's authority from the seller. An auctioneer, in the absence of special authority or usage, has authority from the seller only as follows: (1) to sell by public auction to the highest bidder; (2) to sell for cash only, except for articles usually sold on credit at auction; (3) to warrant as an agent pursuant to 28-10-421 ; (4) to prescribe reasonable rules and terms of sale; (5) to deliver the thing sold upon payment of the price; (6) to collect the price; and (7) to do whatever else is necessary, proper, and usual in the ordinary course of business for effecting these purposes.