Article 16 Late knowledge of service
Where a fixed date summons has been served on a defendant in one of the modes mentioned in this Part of this Order but it appears to have come to his knowledge less than 21 days before the return day, the court may, without prejudice to its powers under rule 10(5) or Order 13, rule 4.—
(a)
allow the action to proceed whether or not the defendant appears on the return day, or
(b)
adjourn the hearing or, as the case may be, the pre-trial review.