6(1)If a settlement has been made by virtue of section 18, the court may by order vary or revoke the settlement if—E+W
(a)the settlement makes provision for its variation or revocation,
(b)the court is satisfied that a material fact was not disclosed when the settlement was made, or
(c)the court is satisfied that there has been a substantial change of circumstances.
(2)Any such order may give such consequential directions as the court thinks fit.