Whenever the Commissioner of Health discovers a condition that the Commissioner considers to be a nuisance or potential nuisance, the Commissioner may issue a written notice to one or more of the following persons or their respective agents: the person in charge of the property on which the condition exists; the person in charge of the property from which the condition originates; and the person in charge of any property that fronts on the street in which the condition exists. City Code, 1976/83, art. 11, §§102(2nd cl.), 108(1st cl.(part)) Ord. 99-548