First accounting period
(1) The first accounting period of the Organisation shall extend from the date of entry into force of this Convention to 31 December of the same year. If that date falls within the second half of the year, the accounting period shall extend until 31 December of the following year.
(2) The budget for the first accounting period shall be drawn up as soon as possible after the entry into force of this Convention. Until contributions provided for in Article 40 due in accordance with the first budget are received by the Organisation, the Contracting States shall, upon the request of and within the limit of the amount fixed by the Administrative Council, make advances which shall be deducted from their contributions in respect of that budget. The advances shall be determined in accordance with the scale referred to in Article 40. Article 39, paragraphs 3 and 4, shall apply mutatis mutandis to the advances.