http://www.legislation.gov.uk/ukpga/1978/53/section/18Chronically Sick and Disabled Persons (Northern Ireland) Act 1978An Act to make further provision with respect to the welfare of chronically sick and disabled persons in Northern Ireland; and for connected purposes.1979-08-31texttext/xmlenStatute Law Database2024-01-12Expert Participation2022-04-01 181Where it appears to the Department of Health and Social Services for Northern Ireland to be necessary or expedient to do so for the proper operation of any provision of this Act that Department may by regulations make provision as to the interpretation for the purposes of that provision of any of the following expressions appearing therein, that is to say “chronically sick”, “chronic illness”, “disabled” and “disability”.S. 18 extended by S.I. 1980/1085 (N.I. 11), art. 43A (as inserted by S.I. 1982/1535 (N.I. 18), art. 3)S. 18 applied (with modifications) (17.2.1994) by S.I. 1993/3160 (N.I. 15), art. 127(5) (with Sch. 9 para. 1).S. 18 applied (3.6.1996) by S.I. 1995/3210 (N.I. 19), art. 2(6); S.R. 1998/223, art. 2, Sch.