Commission Regulation (EC) No 2586/1999 of 7 December 1999 amending Regulation (EC) No 1278/1999 adopting the balance and fixing the aid for the supply of products from the eggs and poultrymeat sectors to the Canary Islands under the arrangements provided for in Articles 2, 3 and 4 of Council Regulation (EEC) No 1601/92, regarding the amounts of aid