Extensive fraudulent schemes which had gone on for many years had been identified at United Nations Headquarters and in peacekeeping missions, with the result that a number of vendors had been debarred for wrongful conduct.
64. 在联合国总部和在一些维持和平特派团里，一些持续了多年的广泛欺诈计谋被发现，导致一些供应商因不法行为被禁。