Decides to appropriate an additional amount of US$363,000 under section 3, Political affairs, $37,200 under section 27, Management and central support services, and $19,200 under section 32, Staff assessment, to be offset by a corresponding amount ($19,200) under income section 1, Income from staff assessment, of the programme budget for the biennium 2000-2001; decides to appropriate the amount of $2,210,000 under section 30, Special expenses, and the amount of $238,400 dollars under section 32, Staff assessment, to be offset by an equivalent amount under income section 1, Income from staff assessment, of the programme budget for the biennium 2000-2001, for the Secretary-General to undertake the immediate measures for the strengthening of the security management system of the UN; authorizes the Secretary-General to proceed with the preparation of a comprehensive design plan and detailed cost analysis for the capital master plan, and decides to appropriate an amount of 8 million dollars under section 31, Construction, alteration, improvement and major maintenance, of the programme budget for the biennium 2000-2001 for this purpose; approves an additional appropriation of $591,900 under section 7, International Court of Justice, of the programme budget for the biennium 2000-2001 and an additional appropriation of $128,800 under section 32, Staff assessment, offset by the same amount under income section 1, Income from staff assessment; approves the recommendation for a subvention of $213,000 for 2001 from the regular budget of the UN, on the understanding that no additional appropriation would be required under section 4, Disarmament, of the programme budget for the biennium 2000-2001