This Regulation shall enter into force on the twentieth day following that of its publication in the Official Journal of the European Union .

This Regulation shall be binding in its entirety and directly applicable in all Member States.

Done at Brussels, 7 April 2021.

For the Commission

The President

Ursula VON DER LEYEN

( 1 ) OJ L 212, 22.8.2018, p. 1 .

( 2 ) Commission Delegated Regulation 2021/1087 of 7 April 2021 amending Regulation (EU) 2018/1139 of the European Parliament and of the Council, as regards updating the references to the provisions of the Chicago Convention (See page 1 of this Official Journal).

( 3 ) Commission Regulation (EU) No 748/2012 of 3 August 2012 laying down implementing rules for the airworthiness and environmental certification of aircraft and related products, parts and appliances, as well as for the certification of design and production organisations ( OJ L 224, 21.8.2012, p. 1 ).

COMMISSION DELEGATED REGULATION (EU) 2021/1088 of 7 April 2021 amending Regulation (EU) No 748/2012 as regards updating the references to the environmental protection requirements ANNEX