(a)Time. - When there can be no further proceedings in this Court or in the Supreme Court with respect to a decision of this Court, the clerk of this Court must forward its mandate promptly to the clerk of the court or commission from which the appeal proceeded.(b)Opinions. - If the judgment or order is supported by an opinion, a certified copy of the opinion must accompany the mandate.Amended by order dated April 30, 2010, effective 7/1/2010; amended by order dated September 3, 2020, effective 9/3/2020; amended by order dated November 23, 2020, effective 3/1/2021; amended by order dated April 1, 2021, effective 6/1/2021.