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Maryland Public Utility Companies Section 7-206
§ 7-206.
  (a)   This section applies to the installation of pollution control equipment or a change in the method of operation at a generating station that a person performs in order to comply with Phase II pollution control requirements of the federal Clean Air Act.
  (b)   Any person that performs an installation or change in operation under subsection (a) of this section shall obtain prior review and approval of the Commission in accordance with:
    (1)   §§ 7-203, 7-207, and 7-208 of this subtitle; and
    (2)   the procedures set forth in § 7-205 of this subtitle and § 2-405 of the Environment Article.