(1) For paragraph (1)(b)(iii) substitute “certified as an interrupted business day under rule  216A(1).”  (2) Omit paragraphs (5) to (8).  5.  Before rule 217 insert—  216A. —(1) The registrar may certify any day as an interrupted business day or an  interrupted working day or both if he is satisfied that on that day there is likely to be—  causing a substantial interruption in the normal operation of the land registry.  (2) The registrar must give notice publicising the certification in such manner as he  considers appropriate.  (3) The certification must take place before the start of the day being certified.  (4) Certification of a day as an interrupted working day shall have the effect of  extending–  to include an additional number of working days equal to the number of interrupted  working days falling within the priority period of the official search, the time fixed by the  notice or any longer period allowed by the registrar, or the period specified by the registrar.  (5) Certification of a day as an interrupted working day shall be disregarded for the  purposes of rules 107, 187(2), 194E, 194F and 199.  (6) In this rule–  “communication service” means a service by which documents may be sent and  delivered and includes a post service, a document exchange service and electronic  communications,  “priority period” has the same meaning as in Part 13.”  6.  In rule 217(1), after the definition of “working day” add “or, subject to rule 216A(5), certified  as an interrupted working day under rule 216A(1).”  Nadhim Zahawi  Parliamentary Under Secretary of State, Department for Business, Energy and Industrial Strategy  14th April 2020  2 Amendment to rule 217  New rule 216A  “ Interrupted day  (a) a general delay in, or failure of, a communication service in England and Wales, or  (b) any other event or circumstance,  (a) the date and time given in the result of an official search with priority as the date  and time at which priority expires,  (b) the date and time fixed by a notice given by the registrar or any longer period that  the registrar may allow in accordance with these rules, and  (c) the period specified by the registrar for compliance with a requisition, 