Regulation 5 Amendment of Principal Regulations Original text. Later amendments are not shown. In regulation 9f1 for “regulation E21(2) or (3)” there shall be substituted “regulation E21(2), (3) or (3A)”. Annotations Footnotes f1 Regulation 9 was substituted by regulation 9 of S.I. 1998/2256. ← Regulation 4 Regulation 5 Regulation 6 →