Every decision and order, whether initial or final, shall be written, signed by all members present, be provided to all parties, and shall:

(1) Be correctly captioned as to the name of the agency and name of the proceeding;

(2) Designate all parties and representatives participating in the proceeding;

(3) Contain appropriate numbered findings of fact;

(4) Contain appropriate numbered conclusions of law, including citations of statutes and rules relied upon;

(5) Contain an initial or final order disposing of all contested issues; and

(6) Contain a statement describing the available post-hearing remedies.