Iowa § 422.86 - 422.86 Payment of estimated tax.
Full text of Iowa Iowa Code § 422.86 — 422.86 Payment of estimated tax., with citation guidance and answers to common questions.
§ 422.86. 422.86 Payment of estimated tax.
A taxpayer required to pay estimated tax under section 422.85 shall pay the estimated tax in accordance with the following schedule: 1. If it is first determined that the estimated tax will be greater than one thousand dollars on or before the last day of the fourth month of the taxable year, the estimated tax shall be paid in four equal installments. The first installment shall be paid not later than the last day of the fourth month of the taxable year. The second and third installments shall be paid not later than the last day of the sixth and ninth months of the taxable year, and the final installment shall be paid on or before the last day of the taxable year. 2. If it is first determined that the estimated tax will be greater than one thousand dollars after the last day of the fourth month but not later than the last day of the sixth month of the taxable year, the estimated tax shall be paid in three equal installments. The first installment shall be paid not later than the last day of the sixth month of the taxable year. The second installment shall be paid on or before the last day of the ninth month of the taxable year and the third installment shall be paid on or before the last day of the taxable year. 3. If it is first determined that the estimated tax will be greater than one thousand dollars after the last day of the sixth month but not later than the last day of the ninth month of the taxable year, the estimated tax shall be paid in two equal installments. The first installment shall be paid not later than the last day of the ninth month and the second installment shall be paid on or before the last day of the taxable year. 4. If it is first determined that the estimated tax will be greater than one thousand dollars after the last day of the ninth month of the taxable year, the estimated tax shall be paid in full on or before the last day of the taxable year. 5. If, after paying any installment of estimated tax, the taxpayer makes a new estimate, the remaining installments shall be ratably adjusted to reflect the increase or decrease in the estimated tax. [C79, 81, §422.86] 89 Acts, ch 251, §27 Fri Dec 12 20:19:51 2025 Iowa Code 2026, Section 422.86 (24, 0)
Source: official Iowa text · Last verified 2026-08-27
Frequently Asked Questions About Iowa § 422.86
What does Iowa Code § 422.86 cover?
Section 422.86 ("422.86 Payment of estimated tax.") is part of the Iowa Code, the codified statutory law of Iowa. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.
How do I cite Iowa § 422.86?
A common citation format is "Iowa Code § 422.86" (Iowa). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.
Is this the official text of Iowa law?
No. This page is for research and education and may not include the most recent amendments. For official current law, check the Iowa official source linked on this page or consult a licensed Iowa attorney.
How does Iowa § 422.86 apply to my situation?
Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Iowa can advise on how this section applies to you. Contact your state or local bar association for a referral.
Sources & Verification
Not legal advice. Verify against the official source and consult a licensed attorney in Iowa.