This Order, which comes into force on 1st April 2001, designates a region comprising the areas mentioned in Article 4 for the purposes of section 31(4B) of the Finance Act 19942 so that an air passenger, whose flight departs from an airport in the region, will not be treated as a chargeable passenger for the purposes of Air Passenger Duty. The areas described in Article 4 comprise the area within or in relation to which the functions of the body known as the Highlands and Islands Enterprise are exercisable by virtue of section 21(1)(a) and (b) of the Enterprise and New Towns (Scotland) Act 1990 (c. 35).