Maryland Environment Section 11-401

      (a)      Except as otherwise provided in this title, unless a person is licensed under this title, the person may not practice as an environmental sanitarian.

      (b)      Unless a person is licensed under this title, the person may not use the title "registered environmental sanitarian" or the initials "R.S." after the name of the person or any other title with the intent to represent that the person is licensed to practice as an environmental sanitarian.