Which of the following does NOT describe a cooperating broker's agency relationship in a real estate transaction?

The concept of a cooperating broker refers to a real estate agent or broker who works with another broker to facilitate a transaction, typically where one represents the seller and the other represents the buyer. In this context, the roles and relationships that brokers can hold are distinct.

An exclusive buyer's broker serves specifically to represent the buyer's interests exclusively throughout the transaction, ensuring that the buyer’s needs are prioritized without any conflicted loyalty. This arrangement solidifies a clear agency relationship defined by the agreement with the buyer.

A selling broker typically refers to one who works directly with the seller in a transaction, often collaborating with the listing broker to finalize the sale of the property.

A non-exclusive buyer's broker represents a buyer but does not limit themselves to one buyer or restrict their agency relationship to only that buyer, allowing potential representation of multiple clients simultaneously.

In contrast, the term "sub-agent" describes a different agency role where a broker acts on behalf of another broker, representing the interests of the seller in a manner subordinate to the primary broker's agency relationship. A sub-agent operates under the authority granted by another agent and does not establish a direct relationship with the buyer.

Given these definitions, the term that does not accurately describe a cooperating broker's agency relationship is the