<ul><li><a href=https://www.riigiteataja.ee/akt/103052016007?leiaKehtiv target=_blank>Aviation Act(Lennundusseadus, RT I 1999 26 376, adopted on 17 February 1999, last amended on 9 July 2022, § 50.39(2))</a></li><li><a href=https://www.tallinn-airport.ee/wp-content/uploads/2020/10/Conditions-of-Use_GH.pdf target=_blank>Conditions of infrastructure use for ground handling service providers at Tallinn Airport</a></li></ul>