A claim for a refund may be filed with the tax collector who collects the tax, fee, charge, interest, or penalty by a claimant who: (1) erroneously pays to a county or municipality a greater amount of tax, fee, charge, interest, or penalty than is properly and legally payable; or (2) pays to a county or municipality a tax, fee, charge, interest, or penalty that is erroneously, illegally, or wrongfully assessed or collected in any manner.
Maryland Legal Code