| Merchant Shipping Act 1995 | 1995 c. 21 | s. 143(6) | applied (with modifications) | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 34 | Yes | |
| Merchant Shipping Act 1995 | 1995 c. 21 | s. 144(2)(3) | applied | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 27(2) | Yes | |
| Merchant Shipping Act 1995 | 1995 c. 21 | s. 145 | applied (with modifications) | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 26(11) 27(7) | Yes | |
| Merchant Shipping Act 1995 | 1995 c. 21 | s. 146 | applied (with modifications) | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 35 | Yes | |
| Merchant Shipping Act 1995 | 1995 c. 21 | s. 258 | applied (with modifications) | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 25 | Yes | |
| Merchant Shipping Act 1995 | 1995 c. 21 | s. 259 | applied (with modifications) | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 25 | Yes | |
| Merchant Shipping Act 1995 | 1995 c. 21 | s. 284 | applied (with modifications) | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 26(5) | Yes | |
| The Waste Management Licensing Regulations (Northern Ireland) 2003 | 2003 No. 493 | Sch. 6 para. 1 Table 1 | words substituted | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | Sch. 1 para. 1(a) | Yes | |
| The Waste Management Licensing Regulations (Northern Ireland) 2003 | 2003 No. 493 | Sch. 6 para. 1 Table 1 | words inserted | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | Sch. 1 para. 1(b) | Yes | |
| The Offshore Petroleum Activities (Oil Pollution Prevention and Control) Regulations 2005 | 2005 No. 2055 | reg. 3(2)(a)(ii)(iii) | substituted for reg. 3(2)(a)(ii) | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | Sch. 1 para. 2 | Not yet | |
| The Merchant Shipping (Prevention of Pollution by Sewage and Garbage from Ships) Regulations 2008 | 2008 No. 3257 | Regulations | revoked | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | Sch. 1 Pt. 2 | Not yet | |
| The Merchant Shipping (Prevention of Pollution by Sewage and Garbage from Ships)(Amendment) Regulations 2010 | 2010 No. 897 | Regulations | revoked | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | Sch. 1 Pt. 2 | Yes | |
| The Waste Management Licensing (Scotland) Regulations 2011 | 2011 No. 228 | reg. 3(m) | substituted | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | Sch. 1 para. 3(a) | Yes | |
| The Waste Management Licensing (Scotland) Regulations 2011 | 2011 No. 228 | reg. 3(ma) | inserted | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | Sch. 1 para. 3(b) | Yes | |
| The Merchant Shipping (Port State Control) Regulations 2011 | 2011 No. 2601 | reg. 15 | applied (with modifications) | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 29 | Yes | |
| The Merchant Shipping (Port State Control) Regulations 2011 | 2011 No. 2601 | reg. 16 | applied (with modifications) | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 29 | Yes | |
| The Environmental Regulation (Significant Environmental Harm) (Scotland) Order 2014 | 2014 No. 324 | Sch. para. 12 12a | substituted for Sch. para. 12 | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | Sch. 1 para. 4 | Yes | |
| The Merchant Shipping (Fees) Regulations 2018 | 2018 No. 1104 | Sch. 1 Pt. 1 para. 5 Table | entries substituted | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | Sch. 1 para. 5 | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 2 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 3 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 4 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 5 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 6 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 7 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 8 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 9 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 10 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 11 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 12 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 13 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 14 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 15 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 16 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 17 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 18 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 19 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 20 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 21 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 22 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 23 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 24 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 25 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 26 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 27 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 28 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 29 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 30 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 31 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |
| The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 32 | coming into force | The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 | 2020 No. 620 | reg. 1(2) | Yes | |