In furtherance of subsection (5) of section 46 of the Act, the Commissioner-General may suspend the licence for the operation of a customs-controlled area on the following grounds:

(a) refusal to obey a lawful order of a proper officer;

(b) failure of the licensee to provide a list of employees when requested to do so by the Commissioner-General; or

(c) provision by the licensee of a bond which is found to be insufficient.