Massachusetts General Laws Part III. Courts, Judicial Officers and Proceedings in Civil Cases (Ch. 211-262) Ch. 215, § 52

The probate court in which a will has been duly proved, allowed and recorded may, after the expiration of twenty days within which an appeal may be taken from the decree admitting such will to probate, upon the petition of the executor or of a legatee named in such will, or of any person interested in the estate of the testator, and after notice and a hearing, permit the original will, if it appears necessary, to be taken from the files of such court to establish the right or title of such executor, legatee or person to the estate of the testator in any foreign country.