Division (A)(4)(b) of this section applies only if the taxpayer filed a return under section 5747.08 of the Revised Code for the preceding taxable year and if the preceding taxable year was a twelve-month taxable year.
The declaration of estimated taxes shall be filed on or before the fifteenth day of April of each year or on or before the fifteenth day of the fourth month after the taxpayer becomes subject to tax for the first time.
Taxpayers reporting on a fiscal year basis shall file a declaration on or before the fifteenth day of the fourth month after the beginning of each fiscal year or period.
The declaration shall be filed upon a form prescribed by the commissioner and furnished by or obtainable from the commissioner.
The original declaration or any subsequent amendment may be increased or decreased on or before any subsequent quarterly payment day as provided in this section.
When an amended return has been filed, the unpaid balance shown due on the amended return shall be paid in equal installments on or before the remaining payment dates.
On or before the fifteenth day of the fourth month of the year following that for which the declaration or amended declaration was filed, an annual return shall be filed and any balance which may be due shall be paid with the return in accordance with section 5747.08 of the Revised Code.
The period of the underpayment shall run from the day the estimated payment was required to be made to the date on which the payment is made. For purposes of this section, a payment of estimated taxes on or before any payment date shall be considered a payment of any previous underpayment only to the extent the payment of estimated taxes exceeds the amount of the payment presently required to be paid to avoid any penalty.
The interest penalty imposed under division (D) of this section shall be in lieu of any other interest charge or penalty imposed for failure to file an estimated return and make estimated payments as required by this section.
The tax commissioner may waive the requirement for filing a declaration of estimated taxes for any class of taxpayers after finding that the waiver is reasonable and proper in view of administrative costs and other factors.
R.C. § 5747.09