Given that key features of the global market-based measure have yet to be developed and that its implementation depends on domestic legislation laid down by participating States and regions, the Commission should report regularly to the European Parliament and to the Council on progress in the ICAO negotiations, in particular on relevant instruments adopted through the ICAO, including SARPs, the actions taken by third countries to implement the global market-based measure to apply to emissions for the period 2021-2035, efforts to establish ambitious and binding measures to achieve the aviation industry's long-term goal of halving aviation CO2 emissions relative to 2005 levels by 2050 and other relevant international developments and applicable instruments, such as rules under the UNFCCC and the Paris Agreement on carbon markets and accounting.
Ós rud é go gcaithfear príomhghnéithe an bhirt atá bunaithe ar an margadh domhanda a fhorbairt fós agus go mbraitheann a chur chun feidhme ar reachtaíocht intíre a leagann na Stáit agus na réigiúin atá rannpháirteach síos, ba cheart don Choimisiún tuairisciú go rialta do Pharlaimint na hEorpa agus don Chomhairle maidir leis an dul chun cinn i gcaibidlíocht ICAO, go háirithe maidir le hionstraimí ábhartha a glacadh trí ICAO, lena n-áirítear SARPanna, maidir leis na gníomhaíochtaí a rinne tríú tíortha chun an beart atá bunaithe ar an margadh domhanda a chur chun feidhme le go mbeidh feidhm aige maidir le hastaíochtaí don tréimhse 2021-2035, maidir le hiarrachtaí chun bearta uaillmhianacha ceangailteacha a leagan síos d'fhonn sprioc fhadtéarmach earnáil na heitlíochta a bhaint amach, is é sin go ngearrfaí ina leath líon na n-astaíochtaí CO2 faoi 2050 le hais a raibh ann sa bhliain 2005 agus maidir le forbairtí idirnáisiúnta agus ionstraimí infheidhme ábhartha eile, amhail rialacha faoin UNFCCC agus faoi Chomhaontú Pháras maidir le margaí carbóin agus cuntasaíocht.