http://www.legislation.gov.uk/ukpga/1973/36/section/4Northern Ireland Constitution Act 1973An Act to make new provision for the government of Northern Ireland.texttext/xmlenStatute Law Database2017-10-15Expert Participation2016-04-01Part II Legislative Powers and Executive Authorities Legislative powersF14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .