(1) In this Part -

"advance application" means an application submitted during the period - (a) beginning with the day on which this Part comes into force, and (b) ending immediately before IP completion day;

"working day" means a day other than - (a) a Saturday or a Sunday, (b) Christmas Day or Good Friday, or (c) a day which is a bank holiday under the Banking and Financial Dealings Act 1971[1971 c. 80; amended by section 1 of the St Andrew's Day Bank Holiday (Scotland) Act 2007 (asp 2).] in any part of the United Kingdom .

(2) In this Part, reference to a group of undertakings means a group consisting of -

(a) a parent undertaking and its subsidiaries, within the meaning of Articles 1 and 2 of Directive 83/349/EEC of 13 June 1983 [O.J. L 193, 18.7.1983, p.1.], and