1. MARPOL Convention for the Prevention of Pollution from Ships of 1978, 1978.
2. Amendments to the Annex of the Protocol of 1997 to Amend the International Convention for the Prevention of Pollution from Ships, 1973, as Modified by the Protocol of 1978 Relating Thereto (Revised MARPOL Annex VI), 2008.
3. Directive (EU) 2016/802 of the European Parliament and of the Council of 11 May 2016 relating to a reduction in the sulphur content of certain liquid fuels. Off. J. Eur. Union L, 2016. 132.
4. Wet Tot Invoering Van Het Belgisch Scheepvaartwetboek. Belgisch Staatsblad, 2019.
5. Airborne monitoring of compliance to sulfur emission regulations by ocean-going vessels in the Belgian North Sea area;Van Roy;Atmos. Pollut. Res.,2022