Maryland Public Utility Companies Section 2-303
§ 2-303.
  (a)   This section applies to each individual subject to § 2-302 of this subtitle and to:
    (1)   each spouse, dependent child, parent, brother, or sister of each commissioner, the People's Counsel, the General Counsel, and a hearing examiner; and
    (2)   each spouse or dependent child of each other officer or employee of the Commission or Office of People's Counsel.
  (b)   An individual subject to this section may not:
    (1)   hold an official relation to or connection with a public service company; or
    (2)   have a pecuniary interest in a public service company as the holder of stock or other securities or otherwise.