890.11  COLLECTION OF UNPAID TAXES.
   (a)   All taxes imposed by this chapter shall be collectible by the Tax Department or its authorized agent, together with any interest, penalties and reasonable administrative costs thereon, by suit or by other means as other debts of like amount are recoverable. No additional assessment shall be made after three years from the time of payment of any tax due hereunder, provided, however, that there shall be no period of limitation on an additional assessment in the case of a return that omits gross income of 25% of that required to be reported, or in the case of the filing of a false or fraudulent return with intent to evade the tax, or in the case of failure to file a return.
   (b)   Reasonable administrative costs associated with the delinquent tax collection, includes but is not limited to, fees no less than 25% of the total delinquent amount, including the tax amount, interest and penalties of any post judgment account assigned to a collection agency and no greater than 35% of the total delinquent amount, including tax amount, interest and penalties of any prejudgment account assigned to a collection agency.
   (c)   In those cases in which the Administrator of the Internal Revenue Service and the taxpayer have executed a waiver of the Federal statute of limitations, the period within which an additional assessment may be made by the Tax Administrator shall be extended three years from the time of the final determination of the Federal tax liability, except that taxes erroneously paid shall not be refunded unless a claim for refund is made within three years after final determination of the federal tax liability.
(Ord. 67-80. Passed 6-30-67; Ord. 75-8. Passed 1-6-75; Ord. 01-52.  Passed 11-19-01; Ord. 05-48.  Passed 9-6-05; Ord. 06-42.  Passed 8-7-06; Ord. 06-42. Passed 8-7-06; Ord. 09-71.  Passed 12-21-09.)