If the Minister is satisfied that it is in the national interest to do so, the Minister may, by legislative instrument, specify any of the following:
(a) that an activity mentioned in regulation 4 is not a sanctioned supply;
(b) that an activity mentioned in regulation 4A is not a sanctioned import;
(c) that an activity mentioned in regulation 5 is not a sanctioned service;
(d) that an activity mentioned in regulation 5A, 5B, 5C or 5CA is not a sanctioned commercial activity.