
Article 1 
In Article 7 of Regulation (EC) No 633/2007, the first two paragraphs are numbered and the following paragraphs 3, 4 and 5 are added:
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3. Where a Member State or an air navigation service provider is developing a flight message transfer protocol in conjunction with the implementation of Regulation (EC) No 1032/2006 between its systems, the systems referred to in Article 1(2)(a) and (b) shall comply with the requirements of Annex I by 31 December 2012.
4. Where a Member State or an air navigation service provider has ordered or signed a binding contract to that effect or developed a flight message transfer protocol for the systems referred to in Article 1(2)(a) and (b) before the date of entry into force of this Regulation so that the compliance with the requirements of point 6 of Annex I cannot be guaranteed, the air navigation service provider or the controlling military unit may use other versions of the Internet protocol for peer-to-peer communications between their systems until 31 December 2014.Those Member States and air navigation service providers shall ensure that all peer-to-peer communications from their systems to those of other Member States or air navigation service providers comply with the requirements specified in Annex I, unless a bilateral agreement concluded before 20 April 2011 allows the use of other versions of the Internet protocol for a transitional period ending no later than 31 December 2014.
5. The Member States referred to in paragraphs 3 and 4 shall communicate to the Commission before 20 April 2011 detailed information on the measures applied by the air navigation service provider or the controlling military units to ensure interoperability of the systems referred to in Article 1(2)(a) and (b) within the EATMN.'
Article 2 
This Regulation shall enter into force on the 20th day following 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, 22 March 2011.
For the Commission
The President
José Manuel BARROSO