If part or all of the area annexed under the terms of an annexation ordinance is the subject of an appeal to the lower or higher court on the effective date of the ordinance, then the ordinance shall be deemed amended to make the effective date with respect to such area the date of the final judgment of the lower or higher court, whichever is appropriate, or the date the municipal governing board completes action to make the ordinance conform to the court's instructions in the event of remand.
§ 7-2-4745, MCA