The department, register or board, or the executor or administrator of the decedent, shall file the determination of the board as to domicile, the record of the board's proceedings and the agreement, or a duplicate, made pursuant to section 2158 with the authority having jurisdiction to assess or determine the inheritance taxes in the State determined by the board to be the domicile of the decedent and shall file copies of the documents with the authorities that would have been empowered to assess or determine the inheritance taxes in each of the other states involved.
72 P.S. § 9160