50.—(1) In this Part, except where the context otherwise requires—
“claim form” includes in Northern Ireland, the originating process by which proceedings are commenced;
“contract”, except in regulation 64, means a contract or a framework agreement;
“declaration of ineffectiveness” means a declaration made under regulation 59(2)(a) or 64(3);
“grounds for ineffectiveness” has the meaning given to it by regulation 60;
“proceedings” means court proceedings taken for the purposes of regulation 52; and
“standstill period”, and references to its end, have the same meaning as in regulation 34.
(2) In this Part, except in regulation 53(2), any reference to a period of time, however expressed, is to be interpreted subject to the requirement that, if the period would otherwise have ended on a day which is not a working day, the period is to end at the end of the next working day.