35. The Board may suspend or cancel the permit of a person who:(a) has been found guilty of an infringement of this act or of the regulations;
(b) no longer fulfils the conditions required for obtaining his permit;
(c) has not complied with the conditions of his permit;
(d) is insolvent or is about to become insolvent.
The Board may also suspend or cancel a permit when it deems that it is no longer in the public interest that such permit be maintained.