http://www.legislation.gov.uk/nisr/1998/72/signature/madeThe Social Security (Contributions) (Amendment) Regulations (Northern Ireland) 1998BenefitsGovernment Printer for Northern Ireland2018-01-16SOCIAL SECURITYThese Regulations further amend the Social Security (Contributions) Regulations (Northern Ireland) 1979 (“the principal Regulations”).Sealed with the Official Seal of the Department of Health and Social Services for Northern Ireland onJohn O'NeillAssistant Secretary4th March 1998.