If a memorandum decision is issued, it shall state at least the following:
A written order may state only the action of the court.
A written statement may be attached to the memorandum decision or written order setting out the basis for the court's decision. The statement shall be unanimous, shall not constitute a formal opinion of the court, shall not be reported, and shall not be cited or otherwise used in any case before any court.
Mo. R. Civ. P. 84.16