(a) A written agreement on one or more disputed issues addressed in a presiding officer's decision or order, including an interlocutory order, sets aside the decision or order, as it relates to the agreement, on the date the agreement is approved by the presiding officer.(b) A settlement filed before a presiding officer's decision becomes final sets aside a presiding officer's decision or order, except for an interlocutory order, on the date received by the division. If the division rejects the settlement, the decision or order will be immediately reentered.(c) A settlement sets aside an interlocutory order on the date the settlement becomes effective.