In the circumstances outlined in the question, it is unnecessary to withdraw the existing divorce application in order to issue a fresh application seeking a nullity order. Instead, the existing divorce application, issued after 6 April 2022, may be amended to one seeking a nullity order. The procedure is found in the Family Procedure Rules 2010 (FPR 2010), SI 2010/2955, 7.8 and will depend upon whether or not an application has already been made for a conditional order under FPR 2010, SI 2010/2955, 7.9. If not, FPR 2010, SI 2010/2955, 7.8(1)–(2) apply,