These comprise a rugby union match which subject to regulation by the IRFU, and is played at a sports ground in Northern Ireland which is designated as requiring a safety certificate under Part 2 of the Safety of Sports ground (Northern Ireland) Order 2006 (paragraph 8); and a match which is subject to regulation by the IRFU, is played outside Northern Ireland and in which one or both participating teams represents Ireland or Ulster Rugby (paragraph 9).
Commentary on Sections Schedule 3: Regulated matches Paragraphs 8 & 9: Rugby union.