Any license for which license tax is due and payable and has become delinquent shall thereby be revoked without further action. No Person shall engage in any business subject to be licensed under this title and CVMC 8.20.020 and 9.13.030, after such license has become delinquent. (Ord. 2537 § 1, 1992; Ord. 1801 § 2, 1978).