The Massachusetts Amendment, Suspension, Closure Form for Workers' Compensation is a document used by employers and their representatives to report changes, such as amendment, suspension, or closure of a workers' compensation claim. This form must be completed and signed by the employer and sent to the Division of Insurance Workers' Compensation Department. There are two types of Massachusetts Amendment, Suspension, Closure Form for Workers' Compensation: 1. Amendment Form: This form is used to report changes or additions to an existing workers' compensation claim. The form must include the date of the change, the name of the injured worker, the date of injury, the name of the insurer, and the details of the change or addition. 2. Suspension/Closure Form: This form is used to report the suspension or closure of an existing workers' compensation claim. The form must include the date of the suspension or closure, the name of the injured worker, the date of injury, the name of the insurer, and the details of the suspension or closure.