Article 7 Amendment and withdrawal of pleadings and additions to documents lodged
The registrar may at any time before the hearing of the appeal, on the application of any party, and the chancellor may at the hearing of the appeal, on the application of any party or of his own motion, permit any party–
(a)
to withdraw or amend any pleading of his;
(b)
to add any further document to those of which copies have been lodged with the registrar under paragraph (2) of rule 3 or paragraph (3) of rule 5.