43A mandatory exclusion ground applies to a supplier if—
(a)an appropriate authority has given the supplier or a connected person notice under section 60(6) (requests for documents or other assistance in connection with investigation),
(b)the supplier or connected person has failed to comply with the notice to the satisfaction of the authority before the end of the period specified in the notice, and
(c)a Minister of the Crown has made a determination that the failure to do so was sufficiently serious so as to warrant constituting a mandatory exclusion ground.