The Department of Motor Vehicles may deny the application of any person for registration under this article and may suspend or revoke a registration or refuse to issue a renewal thereof if it is determined that the applicant or registrant has:

1. (a) Made a material misrepresentation in his application;
2. (b) Used or permitted the use of plates contrary to law;
3. (c) Been found guilty of fraud or fraudulent practices;
4. (d) Failed to comply with any of the regulations of the department for the enforcement of this article.