where the Minister of the Crown considers that there are no longer grounds for debarment (such as the exclusion ground no longer applies or where the supplier has demonstrated self-cleaning), or
pan fo Gweinidog y Goron o'r farn nad oes sail dros wahardd mwyach (er enghraifft, nad yw'r sail dros yn berthnasol mwyach neu pan fo'r cyflenwr wedi dangos ei fod wedi hunanlanhau), a