Okla. Stat. tit. 68, § 68-2385.13
This is the official text of Okla. Stat. tit. 68, § 68-2385.13, part of Oklahoma’s Stat. tit. 68, — part of the compiled statutory law of Oklahoma, published by the state as "Stat. tit. 68,." Browse the sections below, each linked to its official government source.
Not legal advice. This page reproduces the official text of a government statute for reference only. Laws change, and how a statute applies depends on your specific facts. For advice about your situation, consult a licensed attorney in your state.
Amount of estimate - Penalty for underestimating
Official statutory text
A. In the case of any underpayment of the estimated tax payment
required in Section 2385.9 of this title, there shall be added to
the amount of the underpayment interest thereon at an annual rate of
twenty percent (20%) for the period of the underpayment.
B. As used in subsection A of this section, the amount of the
underpayment shall be the excess of the required installment over
the amount paid on or before the due date of the installment. The
period of underpayment shall run from the due date of the required
installment to the earlier of the fifteenth day of the fourth month,
or for corporations, thirty (30) days after the due date for returns
established under the Internal Revenue Code, following the close of
the taxable year or the date on which the required installment is
paid.
C. No addition to tax shall be imposed under subsection A of
this section if the tax shown on the return for the taxable year is
less than One Thousand Dollars ($1,000.00) or if the taxpayer was an
Oklahoma resident throughout the preceding taxable year of twelve
(12) months and did not have any liability for tax for the preceding
taxable year.
required in Section 2385.9 of this title, there shall be added to
the amount of the underpayment interest thereon at an annual rate of
twenty percent (20%) for the period of the underpayment.
B. As used in subsection A of this section, the amount of the
underpayment shall be the excess of the required installment over
the amount paid on or before the due date of the installment. The
period of underpayment shall run from the due date of the required
installment to the earlier of the fifteenth day of the fourth month,
or for corporations, thirty (30) days after the due date for returns
established under the Internal Revenue Code, following the close of
the taxable year or the date on which the required installment is
paid.
C. No addition to tax shall be imposed under subsection A of
this section if the tax shown on the return for the taxable year is
less than One Thousand Dollars ($1,000.00) or if the taxpayer was an
Oklahoma resident throughout the preceding taxable year of twelve
(12) months and did not have any liability for tax for the preceding
taxable year.
Status: in_force · Read it on the official government site
Need a lawyer in Oklahoma?
Find a Oklahoma lawyer
About this page: Statute text is reproduced from official government publishers via the
Open US Law dataset
(Vaquill AI, snapshot v2026.08, CC BY 4.0). Primary legislative text like this is public domain under the government-edicts doctrine
(Georgia v. Public.Resource.Org, 2020). We link every section back to its official source so you can verify it independently.