(1) Where on any day there is an event or circumstances causing an interruption in the normal operation of the Registry, the Registrar may notify the day as being one on which there is an interruption in the operations of the Registry.
(2) Where any period of time specified in the Ordinance or these Rules, or as extended under these Rules, for the filing of any document or other thing with the Registrar expires on a day so notified, the period shall be extended to the first day next following (not being an excluded day) that is not so notified.
(3) Any notification given by the Registrar under this rule shall be posted in the Registry.
(4) In this rule, "excluded day" (除外日) means a day that is not a business day of the Registry.