If variation proceedings between the same former spouses and in respect of the same matter are pending in two courts that would otherwise have jurisdiction under subsection (1) and were commenced on the same day, and neither proceeding is discontinued within 40 days after it was commenced, the Federal Court shall, on application by either or both former spouses, determine which court retains jurisdiction by applying the following rules:
Where variation proceedings between the same former spouses and in respect of the same matter are pending in two courts that would otherwise have jurisdiction under subsection (1) and were commenced on the same day and neither proceeding is discontinued within thirty days after it was commenced, the Federal Court has exclusive jurisdiction to hear and determine any variation proceeding then pending between the former spouses in respect of that matter and the variation proceedings in those courts shall be transferred to the Federal Court on the direction of that Court.
Where variation proceedings between the same former spouses and in respect of the same matter are pending in two courts that would otherwise have jurisdiction under subsection (1) and were commenced on the same day and neither proceeding is discontinued within thirty days after it was commenced, the Federal Court — Trial Division has exclusive jurisdiction to hear and determine any variation proceeding then pending between the former spouses in respect of that matter and the variation proceedings in those courts shall be transferred to the Federal Court — Trial Division on the direction of that Court.