• Per diem amount should not exceed one third of the value of the advance payment in time, the Secretary-General may increase this amount for reasons it deems appropriate.
• not to exceed the amount of the advance expense third of its value at a time and the Secretary-General may increase the amount of the reasons it deems appropriate.
The one third value does not exceed the amount of expenditure of the advance at the time the Secretary General may increase this amount because it deems appropriate.