an agreement for co-operation, within a trade or industry, by enterprises or other organisations, by sharing, through a common fund, profits, markets, risks, etc.
If necessary, the Commission shall submit proposals to the Council for the amendment of the list in the Annex. ... the exchange, leasing, pooling, or maintenance of aircraft, aircraft parts, equipment or fixed installations for the purpose of operating air services and the joint purchase of aircraft parts, provided that such arrangements are made on a non-discriminatory basis ...
