Unrealised gains , which arose before or on 1 January 1999 , had to be separated from those unrealised valuation gains that might have arisen after 1 January 1999 and had to remain with the NCBs .
jÝqdg pot pqoÝjtwam pqim apü Þ sgm 1g Iamotaqßot 1999 Ýpqepe ma diavxqirsoým apü sa lg pqaclasopoighÝmsa jÝqdg apü amapqoraqlocÞ pot emdevolÝmxy pqoÝjtwam lesÜ sgm 1g Iamotaqßot 1999 jai Ýpqepe ma paqaleßmotm rsiy EhmJS .