There is hereby levied, and the city commission is authorized to levy from time to
time, a non-ad valorem assessment against each and every property in the city (i)
on which there occurs or has occurred the cleaning up of a property or the demolition
of an unsafe structure, (ii) the city undertakes or has undertaken action pursuant
to chapter 12 of this Code to abate and correct violations and, thereby incurs or has incurred
costs, and (iii) the property owner and, if applicable, the agent, custodian, lessee,
or occupant of the property fails or refuses or has failed or refused, for whatever
reason, to pay timely the amount owed the city under section 12-228(106) for the costs incurred by the city in carrying out the abatement and violation
correction.