Any person aggrieved by any decision of the Finance Director with respect to the issuance or refusal to issue such license may appeal to the council by filing a notice of appeal with the City Clerk. The Council shall thereupon fix a time and place for hearing such appeal. The Clerk of the Council shall give notice to such person of the time and place of hearing by serving it personally or by depositing it in the United States Post Office at Sebastopol, California, postage prepaid addressed to such person at his last known address. The council shall have authority to determine all questions raised on such appeal. No such determination shall conflict with any substantive provision of this chapter.