Mr. Krioutchkov appealed. UNAT found that the UNDT correctly held that the timing of the written test was justifiable in that holding the test at a set hour worldwide was a rational way of avoiding leaks of the test materials. The inconvenience to the Administration of accommodating different test schedules outweighed the inconvenience of Mr. Krioutchkov being required to adjust his schedule. The scheduling decision was accordingly reasonable. Moreover, having refused to participate in the written examination, Mr. Krioutchkov was estopped from challenging the non-selection decision. UNAT found...