Fees charged pursuant to this article shall become due and payable at the same time and in the same manner as the Agency fee. Any fee shall become delinquent if not paid within 30 days after mailing or delivery of notice thereof. Any fee that becomes delinquent shall have added to it a penalty charge equal to 10 percent of the fee that became delinquent. (Ord. 3446 § 1, 2010; Ord. 2208 § 5, 1978)