An apparatus for facilitating the establishment of an agency relationship between real estate agents and their clients. The apparatus is a card identifying the name of the designated agent and the client. The card may include contact information for the agent and a notice that the card should not be used to promote viewing without the designated agent being present. The apparatus may also include a form for selecting the type of agency relationship with at least one card detachably attached thereto. A method for establishing and acknowledging an agency relationship. A card identifying the designated agent and client is given to the client to take with them to all showings. The client is instructed to present the card to all outside agents. The outside agents see the card and are thereafter notified of the client' s selection of the designated agent.