UNAT held that the UNDT’s suggestion that the standard of proof required to rebut the presumption of regularity should be one of preponderance of evidence, was not correct and that the rebuttal of the presumption should occur only where clear and convincing evidence establishes that an irregularity was highly probable. UNAT held that the Appellant’s version did not support an inference of corruption of the process or that he was not fully and fairly considered. UNAT held that although the Appellant met all the educational, work experience, and language requirements of the position, he failed...