A quick overview of the Massachusetts Association of Realtors exclusive right to sell listing agreement. It is unlawful in Massachusetts to secretly listen to or record a communication of another individual without their knowledge and consent.Contract or listing agreement? If it is a listing agreement , tell her you want to cancel the listing, and when she is done with that, fire her. The listing agreement is a contract that lays out specific, agreedupon terms, giving the real estate agent permission to market a home to buyers. Broker agrees to make diligent and continued efforts to sell the property until a sales contract is pending. A listing agreement is a contract between homeowners and brokers that legally establishes how a realtor will find a property buyer on the seller's behalf. A listing agreement is a contract between a property owner who hires a real estate agent to act as their broker. Click here to learn what to look out for. In a co-broker agreement, the: a.