This form should be used only for cases in which liability has been accepted. Codes and instructions on the reverse side.Massachusetts Commission Agreement. A: Memorialization of this type of cooperative compensation offer belongs on MAR Form 311: Cooperating Compensation Agreement (or its equivalent). The commission agreement template takes you step-by-step through the information necessary to complete the agreement accurately. Currently there are forms available for Massachusetts and New Hampshire that are attached below. Rhode Island Forms are not yet available.