Artikel 6

1. The expenditure resulting from the execution of the programme by the Organisation under this Arrangement shall be met by the Participants, in accordance with the detailed provisions set out in Annex B to this Arrangement, and within the limits of the firm financial envelope for each Phase as determined in conformity with the provisions of the present Article.
2. The Participants agree to contribute to the financing of Phase 2 of the programme on the basis of a firm financial envelope of 115.1 million accounting units (at mid-1972 price levels), to which will be added a share of the Organisation's common and support costs currently estimated at 28 million accounting units.
3. As soon as possible during Phase 2 and once the conditions laid down in Article 5 above have been met, the Participants shall determine, by the majority defined in Article 5, a firm financial envelope for the execution of Phase 3.
4. The annual budgets relating to the programme shall be subject to the approval by the Programme Board by a two-thirds majority, within the relevant firm financial envelope.