OBS_VALUE: <ul><li><a href=https://www.legislation.gov.uk/uksi/2021/100/introduction/made target=_blank>The Airports Slot Allocation (Amendment) (EU Exit) Regulations 2021(The Airports Slot Allocation (Amendment) (EU Exit) Regulations 2021, UK SI 2021 No. 100, in force on 28 January 2021)</a></li><li><a href=https://www.legislation.gov.uk/uksi/2006/2665/contents/made target=_blank>The Airports Slot Allocation Regulations 2006(The Airports Slot Allocation Regulations 2006, UK SI 2006 No. 2665, in force 5 October 2006, Section 9)</a></li><li><a href=https://www.legislation.gov.uk/ukpga/2018/16/contents/enacted target=_blank>European Union (Withdrawal) Act 2018(European Union (Withdrawal) Act 2018, UK PGA 2018 c.16, 26 June 2018)</a></li></ul>