http://www.legislation.gov.uk/nisr/1999/222/signature/madeEducation (Assessment Arrangements for Key Stage 3) (Amendment) Order (Northern Ireland) 1999Key stages in educationKey Stage 3Government Printer for Northern Ireland2016-09-06EDUCATIONThis Order amends the Education (Assessment Arrangements for Key Stage 3) Order (Northern Ireland) 1997.Sealed with the Official Seal of the Department of Education onC. JendoubiAssistant Secretary11th May 1999.