19. The Minister may refuse to issue a certificate of accreditation to an eligible person who,(a) during the five preceding years, has been the object of an assignment of property or of a proposal or judgment of bankruptcy, either personally or as a major shareholder, executive officer or director of a legal person or partnership;
(b) during the three preceding years, has been convicted of an offence against this Act or the regulations, or of an indictable offence in connection with the occupation of bookseller and for which he has not obtained a pardon.