In the event anyone charged with personal property taxes shall fail to pay the first half thereof on or before December 20, the full amount thereof shall become immediately due and payable.
In case the first half of the taxes remains unpaid after December 20, the entire and full amount of personal property taxes charged shall draw interest at the rate prescribed by K.S.A. 79-2968, and amendments thereto, per annum from December 20 to date of payment. Subject to the provisions of subsection (c) all personal property taxes of the preceding year and interest thereon which shall remain due and unpaid on May 11 shall draw interest at the rate prescribed by K.S.A. 79-2968, and amendments thereto, per annum from May 10 until paid. All interest herein provided for shall be credited to the county general fund and retained by the county, and whenever any such interest is paid, the county treasurer shall enter the amount of interest so paid on the tax rolls in the proper column and account for such sum.
K.S.A. 79-2004a