4. For the purposes of paragraph 3, whether a person is responsible for a child or qualifying young person is to be determined in accordance with Part 9 of the 1992 Act(1).
See section 143. That section was amended by section 72 of the Child Support, Pensions and Social Security Act 2000 (c.19), Schedule 24 to the Civil Partnership Act 2004, Schedules 1 and 2 to the Child Benefit Act 2005, S.I. 2013/1465 and S.I. 2016/413.