Article 4(7) of the principal Order (which imposed a condition that the former Wandsworth Boys' Secondary School, Sutherland Grove, SW18 should be brought into use by the Council of the London Borough of Wandsworth as the site for a new school established under section 35 or 41 of the Education Act 1996 or as the site for a school transferring to that site under section 35 or 47 of that Act by 1st September 1999 ) shall apply only in respect of that part of the site of the said School edged in blue on the plan number SG/001, dated 28th November 1997, and described as “Plan referred to in article 2 of the Education (London Residuary Body) (Property Transfer) (Modification and Amendment) Order 1998”.