Md. Code, Courts and Judicial Proceedings § 8–203

(a) (1) A circuit court may propose to the Supreme Court of Maryland a change to the circuit court’s jury plan at any time, by filing the proposal with the Supreme Court of Maryland.

(2) Within 60 days after a circuit court files a proposal under this subsection, the Supreme Court of Maryland shall approve or disapprove the proposal.

(3) A proposal approved under this subsection is effective:

(i) 61 days after a circuit court files the proposal; or

(ii) Any earlier date that the Supreme Court of Maryland sets.

(b) (1) If the Supreme Court of Maryland orders a circuit court to change its jury plan, the circuit court shall do so.

(2) A change that the Supreme Court of Maryland orders is effective:

(i) On the day the Court sets; but

(ii) Not later than 90 days after the date of approval of the circuit court’s change.