“relevant operator”

1. The Advanced Quality Partnership Schemes (England) Regulations 2018 SI 3 definitions
2. Civil Aviation Act 2012 Act
3. Commission Implementing Regulation (EU) 2016/824 of 25 May 2016 laying down implementing technical standards with regard to the content and format of the description of the functioning of multilateral trading facilities and organised trading facilities and the notification to the European Securities and Markets Authority according to Directive 2014/65/EU of the European Parliament and of the Council on markets in financial instruments (Text with EEA relevance) EU regulation
4. The Electricity (Standards of Performance) Regulations 2001 SI
5. The Electricity (Standards of Performance) Regulations 2005 SI
6. The Electricity (Standards of Performance) Regulations 2015 SI
7. The Franchising Schemes and Enhanced Partnership Schemes (Application of TUPE) (England) Regulations 2017 SI
8. The Gas (Standards of Performance) (Amendment) Regulations 2002 SI
9. The Gas (Standards of Performance) Regulations 2005 SI
10. Investigatory Powers Act 2016 Act 4 definitions
11. The Private Hire Vehicles (London) (Transitional and Saving Provisions) Regulations 2003 SI
12. The Quality Contracts Schemes (Application of TUPE) Regulations 2009 SI
13. The Quality Partnership Schemes (England) Regulations 2009 SI 3 definitions
14. The Railways (Access, Management and Licensing of Railway Undertakings) Regulations 2016 SI 2 definitions
15. Railways Act 1993 Act 2 definitions
16. Railways Act 2005 Act
17. The Railways (Substitute Road Services) (Exemptions) Order 2006 SI
18. The Road Vehicles (Certificates of Temporary Exemption) Regulations 2020 SI
19. Transport Act 1985 Act
20. Transport Act 2000 Act 2 definitions

Definitions are taken from the instruments as published on zoomLaw, for guidance only. Check the instrument itself for its scope and any amendments.