Maryland Statutes
Part VI - Administration
Section 7-232 - Certification of Payments

Each register shall certify to the Comptroller the amount of inheritance tax paid for each decedent for whom a Maryland estate tax return is filed with the register or for whom the register receives a request for the certification from:
        (1)    the Comptroller;
        (2)    the personal representative of the decedent’s estate; or
        (3)    any person required to file a Maryland estate tax return with regard to property passing from the decedent.