(1) If it is stated therein that the decision may be effective after the mandate is issued, the Clerk shall give notice in writing to the respective attorneys of all persons joined in the action, addressing to them a copy of the decision, by depositing it in the mail, postage prepaid. Any party desiring a reconsideration may within fifteen days after such mailing file a motion in writing for a reconsideration, specifying the particular grounds for reconsideration. A copy of the motion shall be served upon the attorney for the adverse parties. Service shall be made as provided in Supreme Court Rule 10.

(2) When it is stated in the decision that the writ shall become effective immediately or that the mandate shall issue immediately the decision is final, and no motion for reconsideration may be made.