The Massachusetts Notice of Informal Probate and Return of Service is a document that is used to inform the parties involved in an informal probate proceeding of the status of the case. The document is necessary for the court to recognize the proceedings as valid, and it must be filed with the court. The notice must also be served to the interested parties, including the executor, heirs, and creditors, to inform them of the status of the case. There are three types of Massachusetts Notice of Informal Probate and Return of Service: Notice of Probate of Will, Notice of Appointment of Personal Representative, and Return of Service. The Notice of Probate of Will informs the parties of the court's acceptance of the will and the appointment of the executor. The Notice of Appointment of Personal Representative informs the parties of the court's decision to appoint a personal representative. The Return of Service documents the service of the Notice of Informal Probate and Return of Service to the interested parties.