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. Within 60 days after a circuit court files a proposal under this subsection, the Supreme Court of Maryland shall approve or disapprove the proposal. A proposal approved under this subsection is effective: 61 days after a circuit court files the proposal; or Any earlier date that the Supreme Court of Maryland sets. If the Supreme Court of Maryland orders a circuit court to change its jury plan, the circuit court shall do so. A change that the Supreme Court of Maryland orders is effective: On the day the Court sets; but Not later than 90 days after the date of approval of the circuit court’s change.