Maryland Code, State Government § 20-1026

(a) When a charge is issued and served under § 20-1025 of this subtitle, a complainant, respondent, or aggrieved person on whose behalf the complaint was filed may elect to have the claims asserted in the charge decided in a civil action under § 20-1032 of this subtitle instead of a hearing under § 20-1027 of this subtitle.

(b) An election under subsection (a) of this section shall be made within:

(c) A person that makes an election under subsection (a) of this section shall give notice of the election to the Commission and to all other complainants, respondents, and aggrieved persons on whose behalf the complaint was filed to whom the charge relates.