Where any judgment or order, whether of the Full Court or a Justice, requires a person to do an act:
(a) it shall state the time within which it is to be done; and
(b) the copy served upon the person required to obey it shall be indorsed with the memorandum:
'If you do not obey this judgment or order by the time limited in it, you may be punished for not obeying it.'.