INTERTANKO Bunker Compliance Clause for Time Charterparties

What are the general requirements for sulphur content of fuel oil under MARPOL Annex VI 10 now and after 1 January 2020?

What happens between 1 January 2020 and the entry into force of the amendments 10 to MARPOL Annex VI on 1 March 2020?

What are the sulphur limit requirements for trading in Emission Control Areas under 11 MARPOL Annex VI now and after 1 January 2020?