31-4   Sign Hanger's License; Revocation
Licenses issued pursuant to this article may be revoked or suspended by the city council upon recommendation of the City building department for the following reasons:
   A.   Failure to comply with this article or any rules issued by the City building department;
   B.   Abandonment of any contract or undertaking without good cause or fraudulent departure from plans or specifications;
   C.   Failure to obtain or cause to be obtained permits when same are required by this article.