| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2021 | 2021 No. 99 | Sch. 1 | words inserted | The Health Protection (Coronavirus, International Travel and Operator Liability and Information to Passengers) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 189 | reg. 6 | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2021 | 2021 No. 99 | Sch. 2 | words inserted | The Health Protection (Coronavirus, International Travel and Operator Liability and Information to Passengers) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 189 | reg. 7 | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2021 | 2021 No. 99 | Sch. 4 Pt. 1 table | words inserted | The Health Protection (Coronavirus, International Travel and Operator Liability and Information to Passengers) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 189 | reg. 8(1)(a) | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2021 | 2021 No. 99 | Sch. 4 Pt. 1 table | words omitted | The Health Protection (Coronavirus, International Travel and Operator Liability and Information to Passengers) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 189 | reg. 8(1)(b) | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2021 | 2021 No. 99 | Sch. 4 Pt. 2 para. 21C and cross-heading | inserted | The Health Protection (Coronavirus, International Travel and Operator Liability and Information to Passengers) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 189 | reg. 8(2) | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2021 | 2021 No. 99 | Sch. 8 para. 1 | words omitted | The Health Protection (Coronavirus, International Travel and Operator Liability and Information to Passengers) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 189 | reg. 9 | Yes | |
| The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) Regulations (Northern Ireland) 2021 | 2021 No. 102 | reg. 3(2)(aa) | inserted | The Health Protection (Coronavirus, International Travel and Operator Liability and Information to Passengers) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 189 | reg. 3 | Yes | |
| The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) Regulations (Northern Ireland) 2021 | 2021 No. 102 | reg. 4(2)(aa) | inserted | The Health Protection (Coronavirus, International Travel and Operator Liability and Information to Passengers) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 189 | reg. 3 | Yes | |
| The Health Protection (Coronavirus, International Travel, Operator Liability and Information to Passengers) Regulations (Northern Ireland) 2021 | 2021 No. 102 | Sch. Pt. 2 | substituted | The Health Protection (Coronavirus, International Travel and Operator Liability and Information to Passengers) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 189 | reg. 4 | Yes | |
| The Health Protection (Coronavirus, International Travel and Operator Liability and Information to Passengers) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 189 | reg. 1 | coming into force | The Health Protection (Coronavirus, International Travel and Operator Liability and Information to Passengers) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 189 | reg. 1(1) | Yes | |
| The Health Protection (Coronavirus, International Travel and Operator Liability and Information to Passengers) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 189 | reg. 2 | coming into force | The Health Protection (Coronavirus, International Travel and Operator Liability and Information to Passengers) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 189 | reg. 1(1) | Yes | |
| The Health Protection (Coronavirus, International Travel and Operator Liability and Information to Passengers) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 189 | reg. 3 | coming into force | The Health Protection (Coronavirus, International Travel and Operator Liability and Information to Passengers) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 189 | reg. 1(1) | Yes | |
| The Health Protection (Coronavirus, International Travel and Operator Liability and Information to Passengers) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 189 | reg. 4 | coming into force | The Health Protection (Coronavirus, International Travel and Operator Liability and Information to Passengers) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 189 | reg. 1(1) | Yes | |
| The Health Protection (Coronavirus, International Travel and Operator Liability and Information to Passengers) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 189 | reg. 5 | coming into force | The Health Protection (Coronavirus, International Travel and Operator Liability and Information to Passengers) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 189 | reg. 1(1) | Yes | |
| The Health Protection (Coronavirus, International Travel and Operator Liability and Information to Passengers) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 189 | reg. 6 | coming into force | The Health Protection (Coronavirus, International Travel and Operator Liability and Information to Passengers) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 189 | reg. 1(1) | Yes | |
| The Health Protection (Coronavirus, International Travel and Operator Liability and Information to Passengers) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 189 | reg. 7 | coming into force | The Health Protection (Coronavirus, International Travel and Operator Liability and Information to Passengers) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 189 | reg. 1(1) | Yes | |
| The Health Protection (Coronavirus, International Travel and Operator Liability and Information to Passengers) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 189 | reg. 8 | coming into force | The Health Protection (Coronavirus, International Travel and Operator Liability and Information to Passengers) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 189 | reg. 1(1) | Yes | |
| The Health Protection (Coronavirus, International Travel and Operator Liability and Information to Passengers) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 189 | reg. 9 | coming into force | The Health Protection (Coronavirus, International Travel and Operator Liability and Information to Passengers) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 189 | reg. 1(1) | Yes | |