Mich. Admin. Code R 205.53 — Auctioneers, agents, factors, and brokers

Rule 3. (1) Auctioneers, agents, factors, brokers, etc., selling tangible
personal property on a repeated basis from a fixed location, are retailers regardless of
whether the sales are on their own behalf or for a principal.
(2) Where an auctioneer is engaged by a manufacturer, farmer, or
householder to act as his agent in selling tangible property at the premises of the
manufacturer, farmer, or householder, the auctioneer will not be liable for sales tax on
such sales unless the auctioneer actually purchases the merchandise and then sells the
property acquired on his own behalf.