In which agreement does a broker NOT have to prove she was the procuring cause of the sale?

The exclusive-right-to-sell listing gives the broker the right to earn a commission regardless of who ultimately brings about the sale. This means that even if the seller finds a buyer on their own, the broker would still be entitled to their commission. The emphasis here is on the assurance that the broker will receive payment for their efforts in marketing and selling the property, which eliminates the necessity for the broker to demonstrate that they were the procuring cause of the sale.

In contrast, in situations like open listings or exclusive agency agreements, the broker may need to establish that they were the procuring cause in order to earn their commission, especially if the seller finds a buyer on their own. Such requirements can create more ambiguity regarding the broker's entitlement to commission in those agreements.