(1) For the purposes of this Chapter, 'qualifying period', in relation to -

(a) a qualifying urban area, means, subject to section 372B, the period commencing on 1 August 1998 and ending on -

(i) 31 December 2002, or

(ii) where subsection (2) applies, 31 December 2006, or

(iii) where subsections (2) and (3) apply, 31 July 2008,

(b) a qualifying street, means, subject to section 372BA, the period commencing on 6 April 2001 and ending on 31 December 2004 or, where subsection (1A) applies, ending on 31 December 2006 or, where subsections (1A) and (3) apply, ending on 31 July 2008,

(c) a qualifying rural area, means -

(i) for the purposes of sections 372AP and (in so far as it relates to that section) section 372AS, the period commencing on 1 June 1998 and ending on 31 December 2004 or, where subsection (1A) applies, ending on 31 December 2006 or, where subsections (1A) and (3) apply, ending on 31 July 2008, and