In this Code, a code of public local laws, a municipal charter, a resolution or ordinance of a county or municipal corporation, or a rule, regulation, or directive of a unit of the State or a political subdivision of the State: (1) 'certified mail' and 'registered mail' include the uses, procedures, and fees of the United States Postal Service; (2) 'certified mail' includes 'registered mail'; and (3) 'registered mail' includes 'certified mail'.
Maryland Legal Code