Maryland Health Occupations Section 2-311
§ 2-311.
  (a)   Each licensee shall display the license conspicuously in the office or place of employment of the licensee.
  (b)   (1)   The Board shall keep a record of the address of each place where a licensee practices audiology, provides hearing aid services, or practices speech-language pathology.
    (2)   Each licensee shall notify the Board in writing:
      (i)   Of the address of each place where the licensee practices or intends to practice audiology, provide hearing aid services, or practice speech-language pathology; and
      (ii)   Within 30 days after the change, of any change of address.
    (3)   If a licensee has more than 1 place of business, the licensee shall specify on each notice required under this subsection the place to which the Board should mail its notices and other correspondence to the licensee.