Part 4 Application form for a safety certificateF1 6Paragraph 6 Annotations Textual amendments F1 Sch. 6 inserted (31.12.2020) by The Railways (Safety Management) (Amendment) (EU Exit) Regulations (Northern Ireland) 2019 (S.I. 2019/825), reg. 1(2), Sch. para. 1; 2020 c. 1, Sch. 5 para. 1(1) Part 4