| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2020 | 2020 No. 90 | reg. 7(6)(a) | sum substituted | The Health Protection (Coronavirus, International Travel, Operator Liability and Public Health Advice) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 17 | reg. 3(2)(a)(i) | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2020 | 2020 No. 90 | reg. 7(6)(b) | sum substituted | The Health Protection (Coronavirus, International Travel, Operator Liability and Public Health Advice) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 17 | reg. 3(2)(a)(ii) | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2020 | 2020 No. 90 | reg. 7(6)(c) | sum substituted | The Health Protection (Coronavirus, International Travel, Operator Liability and Public Health Advice) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 17 | reg. 3(2)(a)(iii) | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2020 | 2020 No. 90 | reg. 7(6)(d) | substituted | The Health Protection (Coronavirus, International Travel, Operator Liability and Public Health Advice) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 17 | reg. 3(2)(a)(iv) | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2020 | 2020 No. 90 | reg. 7(6)(e) | omitted | The Health Protection (Coronavirus, International Travel, Operator Liability and Public Health Advice) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 17 | reg. 3(2)(a)(v) | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2020 | 2020 No. 90 | reg. 7(6B) | inserted | The Health Protection (Coronavirus, International Travel, Operator Liability and Public Health Advice) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 17 | reg. 3(2)(b) | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2020 | 2020 No. 90 | Sch. 1 para. 2(f) | omitted | The Health Protection (Coronavirus, International Travel, Operator Liability and Public Health Advice) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 17 | reg. 3(3) | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2020 | 2020 No. 90 | Sch. 1 para. 3 | omitted | The Health Protection (Coronavirus, International Travel, Operator Liability and Public Health Advice) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 17 | reg. 3(3) | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2020 | 2020 No. 90 | Sch. 1 para. 5 | omitted | The Health Protection (Coronavirus, International Travel, Operator Liability and Public Health Advice) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 17 | reg. 3(3) | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2020 | 2020 No. 90 | Sch. 2A para. 3(1)(e) | inserted | The Health Protection (Coronavirus, International Travel, Operator Liability and Public Health Advice) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 17 | reg. 3(4) | Yes | |
| The Health Protection (Coronavirus, International Travel) Regulations (Northern Ireland) 2020 | 2020 No. 90 | Sch. 5 | words inserted | The Health Protection (Coronavirus, International Travel, Operator Liability and Public Health Advice) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 17 | reg. 3(5) | Yes | |
| The Health Protection (Coronavirus, Public Health Advice for Persons Travelling to Northern Ireland) (No. 2) Regulations (Northern Ireland) 2020 | 2020 No. 215 | reg. 4(1)(c)(iii) | words inserted | The Health Protection (Coronavirus, International Travel, Operator Liability and Public Health Advice) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 17 | reg. 2(2)(a)(i) | Yes | |
| The Health Protection (Coronavirus, Public Health Advice for Persons Travelling to Northern Ireland) (No. 2) Regulations (Northern Ireland) 2020 | 2020 No. 215 | reg. 4(1)(c)(iii) | word inserted | The Health Protection (Coronavirus, International Travel, Operator Liability and Public Health Advice) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 17 | reg. 2(2)(a)(ii) | Yes | |
| The Health Protection (Coronavirus, Public Health Advice for Persons Travelling to Northern Ireland) (No. 2) Regulations (Northern Ireland) 2020 | 2020 No. 215 | reg. 4(2)(b)(iv) | inserted | The Health Protection (Coronavirus, International Travel, Operator Liability and Public Health Advice) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 17 | reg. 2(2)(b) | Yes | |
| The Health Protection (Coronavirus, Public Health Advice for Persons Travelling to Northern Ireland) (No. 2) Regulations (Northern Ireland) 2020 | 2020 No. 215 | reg. 4(3)(b)(iii) | words inserted | The Health Protection (Coronavirus, International Travel, Operator Liability and Public Health Advice) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 17 | reg. 2(2)(c)(i) | Yes | |
| The Health Protection (Coronavirus, Public Health Advice for Persons Travelling to Northern Ireland) (No. 2) Regulations (Northern Ireland) 2020 | 2020 No. 215 | reg. 4(3)(b)(iii) | word inserted | The Health Protection (Coronavirus, International Travel, Operator Liability and Public Health Advice) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 17 | reg. 2(2)(c)(ii) | Yes | |
| The Health Protection (Coronavirus, Public Health Advice for Persons Travelling to Northern Ireland) (No. 2) Regulations (Northern Ireland) 2020 | 2020 No. 215 | reg. 4(5) | words inserted | The Health Protection (Coronavirus, International Travel, Operator Liability and Public Health Advice) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 17 | reg. 2(2)(d)(i) | Yes | |
| The Health Protection (Coronavirus, Public Health Advice for Persons Travelling to Northern Ireland) (No. 2) Regulations (Northern Ireland) 2020 | 2020 No. 215 | reg. 4(5) | words inserted | The Health Protection (Coronavirus, International Travel, Operator Liability and Public Health Advice) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 17 | reg. 2(2)(d)(ii) | Yes | |
| The Health Protection (Coronavirus, Public Health Advice for Persons Travelling to Northern Ireland) (No. 2) Regulations (Northern Ireland) 2020 | 2020 No. 215 | reg. 5 | substituted | The Health Protection (Coronavirus, International Travel, Operator Liability and Public Health Advice) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 17 | reg. 2(3) | Yes | |
| The Health Protection (Coronavirus, Public Health Advice for Persons Travelling to Northern Ireland) (No. 2) Regulations (Northern Ireland) 2020 | 2020 No. 215 | Sch. Pt. 1 | substituted | The Health Protection (Coronavirus, International Travel, Operator Liability and Public Health Advice) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 17 | reg. 2(4) | Yes | |
| The Health Protection (Coronavirus, International Travel, Pre-Departure Testing and Operator Liability) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 10 | reg. 5 | words omitted | The Health Protection (Coronavirus, International Travel, Operator Liability and Public Health Advice) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 17 | reg. 4(2)(a) | Yes | |
| The Health Protection (Coronavirus, International Travel, Pre-Departure Testing and Operator Liability) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 10 | reg. 5 | words substituted | The Health Protection (Coronavirus, International Travel, Operator Liability and Public Health Advice) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 17 | reg. 4(2)(b) | Yes | |
| The Health Protection (Coronavirus, International Travel, Pre-Departure Testing and Operator Liability) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 10 | reg. 5 | words substituted | The Health Protection (Coronavirus, International Travel, Operator Liability and Public Health Advice) (Amendment) Regulations (Northern Ireland) 2021 | 2021 No. 17 | reg. 4(2)(c) | Yes | |