| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2021 | 2021 No. 99 | reg. 9A and cross-heading | inserted | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 5(1) | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2021 | 2021 No. 99 | reg. 2(1) | words substituted | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 2 | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2021 | 2021 No. 99 | reg. 3(1) heading | words inserted | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 3(1)(a) | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2021 | 2021 No. 99 | reg. 3(1) | words inserted | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 3(1)(b) | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2021 | 2021 No. 99 | reg. 3A | inserted | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 4(1) | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2021 | 2021 No. 99 | reg. 8(11)(b) | words revoked | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 10(a)(i) | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2021 | 2021 No. 99 | reg. 10(1) | words revoked | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 10(a)(ii) | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2021 | 2021 No. 99 | reg. 23(1)(ca)-(cc) | inserted | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 6(1) | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2021 | 2021 No. 99 | reg. 25A | inserted | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 6(2) | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2021 | 2021 No. 99 | reg. 27(5)(a)(b) | substituted for words | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 6(3)(a) | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2021 | 2021 No. 99 | reg. 27(16)-(19) | inserted | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 6(3)(b) | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2021 | 2021 No. 99 | reg. 34(2)(f) | words inserted | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 7 | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2021 | 2021 No. 99 | Sch. 2A | inserted | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 3(2) | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2021 | 2021 No. 99 | Sch. 2B | inserted | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 4(2) | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2021 | 2021 No. 99 | Sch. 4 Pt. 1 | word substituted | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 8 | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2021 | 2021 No. 99 | Sch. 4 Pt. 1 | entry revoked | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 10(a)(iii) | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2021 | 2021 No. 99 | Sch. 4 Pt. 2 para. 66 | revoked | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 10(a)(iv) | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2021 | 2021 No. 99 | Sch. 6A | inserted | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 5(2) | Yes | |
| The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) Regulations (Northern Ireland) 2021 | 2021 No. 102 | reg. 4A(2)(a) | substituted | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 9(2) | Yes | |
| The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 2) Regulations (Northern Ireland) 2021 | 2021 No. 213 | reg. 3 | revoked | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 10(b) | Yes | |
| The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 2) Regulations (Northern Ireland) 2021 | 2021 No. 213 | reg. 4 | revoked | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 10(b) | Yes | |
| The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 2) Regulations (Northern Ireland) 2021 | 2021 No. 213 | reg. 7 | revoked | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 10(b) | Yes | |
| The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 1 | coming into force | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 1(2) | Yes | |
| The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 2 | coming into force | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 1(2) | Yes | |
| The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 3 | coming into force | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 1(2) | Yes | |
| The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 4 | coming into force | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 1(2) | Yes | |
| The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 5 | coming into force | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 1(2) | Yes | |
| The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 6 | coming into force | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 1(2) | Yes | |
| The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 7 | coming into force | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 1(2) | Yes | |
| The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 8 | coming into force | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 1(2) | Yes | |
| The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 9 | coming into force | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 1(2) | Yes | |
| The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 10 | coming into force | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 1(2) | Yes | |
| The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 11 | coming into force | The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) (Amendment No. 4) Regulations (Northern Ireland) 2021 | 2021 No. 225 | reg. 1(2) | Yes | |