Part 5 UNIQUE REGISTRATION IDENTIFIERF1 Not yet in force 18Requirement to display unique registration identifier Annotations Textual amendments F1 Regulations revoked (31.12.2020) by The Value Added Tax (Miscellaneous and Transitional Provisions, Amendment and Revocation) (EU Exit) Regulations 2020 (S.I. 2020/1495), regs. 1(2), 26(a); S.I. 2020/1641, reg. 2, Sch. Part 5