This document is a buyer's registration form submitted by a real estate broker to register a potential buyer for a property. It provides the name and taxpayer ID of the seller, the residence certificate details, and registers a specific buyer for the property. It states that if this registered buyer purchases the property, the broker will be entitled to the commission as stipulated in the authority to sell signed by the seller. No other broker can claim commission for this registered buyer. The seller's signature is requested to confirm the broker as the sole agent for this buyer.