http://www.legislation.gov.uk/nisi/1981/607/part/IVThe Enterprise Zones (Northern Ireland) Order 1981texttext/xmlenStatute Law Database2017-07-04Expert Participation2016-05-08PART IVRATING IN ENTERPRISE ZONESArt.17 rep. by 1983 NI 7Art.18 rep. by 2002 NI 3