It became operational on 1 May 1990 by the incorporation of resources relating to the overload posts that were funded from the separate budgets of the five existing peacekeeping operations that were financed at the time outside the scope of the regular budget.
这些行动的单独预算编列了额外工作员额的经费。 在并入与额外工作员额有关的资源之后,该帐户于1990年5月1日开始投入运作。