As a result of legislation passed by the Ohio General Assembly, penalty and interest rates for Ohio municipal income tax for years beginning on or after January l, 2016 will be as stated below.

Penalty – Unpaid Tax

Late filing Penalty- as of 1/1/2016

A late filing penalty may be imposed at the rate of $25 per month (or fraction of a month) that a return, other than an estimated income tax return, remains unfiled. This late filing penalty applies regardless of the liability on the return. The late filing penalty shall not exceed $150 for each failure to timely file.

Late filing Penalty- as of 1/1/2024

A late filing penalty will be imposed at the rate of $25 if the return is not filed by April 15, 2024. Only valid extensions will be honored, and relieve the imposed penalty. This late filing penalty applies regardless of the liability on the return.

Late filing Penalty- as of 1/1/2025

A late filing penalty will be imposed at the rate of $25 if the return is not filed by April 15, 2025. Only valid extensions will be honored. This late filing penalty applies regardless of the liability on the return.

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A penalty may be imposed on unpaid income tax, including unpaid estimated tax, equal to 15% of the amount not timely paid.
A penalty may be imposed on unpaid employer withholding tax equal to 50% of the amount not timely paid.

Interest – Unpaid tax

Interest shall be imposed on all unpaid income tax, unpaid estimated income tax and unpaid employer withholding tax. The interest rate to be applied each calendar year is the federal short-term rate, rounded to the nearest percent. plus five percent (5%). The rate shall apply for the calendar year next following the July of the year in which the federal short-term rate is determined under Section 1274 of the Internal Revenue Code.

The Interest Rate for calendar year 2025 is 9.00%.
The Interest Rate for calendar year 2024 is 10.00%.
The Interest Rate for calendar year 2023 is 7.00%.
The interest rate for calendar year 2022 is 5.00%.
The interest rate for calendar year 2021 is 5.00%
The interest rate for calendar year 2020 is 7.00%
The interest rate for calendar year 2019 is 7.00%

Tax filings and tax payments related to tax years beginning before January 1, 2016 are subject to the penalty and interest rates and late filing penalties. if any. imposed by each municipal income ta,'( ordinance in effect prior to January 1. 2016 – regardless of the date of filing or payment. Ohio Revised Code Section 718.27.