Application of the competition rules to air transport. Memorandum from the Commission. Proposal for a Council Regulation (EC) amending Regulation (EEC) No 3975/87 laying down the procedure for the application of the rules on competition to undertakings in the air transport sector. 97/0137 (CNS). Proposal for a Council Regulation (EC) on the application of Article 83(3) of the Treaty to certain categories of agreements and concerted practices in the sector of air transport between the Community and third countries. 97/0138 (CNS). COM (97) 218 final, 16 May 1997