Under the Massachusetts Uniform Probate Code, creditors have one year from a decedent's date of death to commence an action. Send letter of authority for deceased via email, link, or fax.You can also download it, export it or print it out. When the probate court appoints a personal representative, it issues a document called "Letters. Call the probate court in his county and the clerk can forward to you any forms that you need. Discover more answers. If you need to obtain a Letter of Administration you will need to file an application with your county court. What will I need to take to the court in order to get this Letter of Testimentary? The deceased person must have been a Massachusetts resident at the time of death. Complete Address of the Deceased .