Submitting your tax return one day late generally results in a 5% "failure-to-file" penalty on any unpaid taxes. Interest also begins accruing immediately, compounding daily on the unpaid balance. If you are owed a refund, there is usually no penalty, but you will receive your money later.
You might have to pay IRS penalties and interest if you file your federal income tax return after the April deadline, your due date isn't extended, and you end up with a tax bill. First, the IRS charges a 5% penalty per month on any tax due if your return is filed late. The penalty is capped at 25% of the tax owed.
If you're sure you can't make the tax deadline, file a tax extension. You can do this by filing IRS Form 4868. This will give you additional time to file—usually you have six additional months (until October 15) to file a return if you apply for extension by the original due date of the return.
If you file taxes after the October 15 extension deadline, the IRS will assess penalties and interest, primarily a failure-to-file penalty (5% per month, max 25%), plus a separate failure-to-pay penalty (0.5% per month) and daily interest on the unpaid taxes, though you can request penalty abatement for reasonable cause like natural disasters. The October deadline is for filing, not paying; if you owe, payment was due in April, so you'll likely face both penalties and interest until you file and pay, but you won't be penalized if you're due a refund.
If you have a balance owing, the CRA may charge interest and a late-filing penalty on returns filed after the due date. If you file your return after April 30, your GST/HST credit, climate action tax credit, Canada child benefit and B.C. family benefit, and Old Age Security benefit payments may be delayed.
But here's generally what you can expect. No penalty if you're getting a tax refund. However, you must file your 2025 taxes by April 15, 2029 (or October 15, 2029 if you filed an extension). After that, any unclaimed tax refund gets turned over to the US Treasury.
Your tax refund may be delayed if the IRS notices any inaccuracies or incomplete information in your income tax return. Common errors include typos, math errors, and missing signatures, to name a few. These issues can interrupt the processing of tax returns, leading to longer wait times.
You can avoid a penalty by filing and paying your tax by the due date. If you can't do so, you can apply for an extension of time to file or a payment plan.
The law gives procrastinators three years to submit a return and claim a refund. The three-year countdown starts on the original due date of the return or the extension due date, if an extension was filed.
The tax deadline typically falls on April 15 each year, but it can be delayed if it falls on a weekend or holiday. Missing the tax deadline can have consequences like penalties and interest. April 15, 2026 - Deadline to File Form 4868 and request an extension.
Failure-to-pay penalty is charged for failing to pay your tax by the due date. The late payment penalty is 0.5% of the tax owed after the due date, for each month or part of a month the tax remains unpaid, up to 25%.
As long as your return is time stamped on the due date, it will be considered on time. If, on the other hand, you owe a tax bill and file even one day after the deadline, you'll have the failure-to-file and failure-to pay penalties added to your bill.
If you have unpaid taxes and you file your return late, the government charges interest under Section 234A as follows: Interest is charged at 1% per month (or part of a month) on the unpaid tax amount. The interest is calculated from the due date of filing the return until the actual date of filing.
If you file taxes after the October 15 extension deadline, the IRS will assess penalties and interest, primarily a failure-to-file penalty (5% per month, max 25%), plus a separate failure-to-pay penalty (0.5% per month) and daily interest on the unpaid taxes, though you can request penalty abatement for reasonable cause like natural disasters. The October deadline is for filing, not paying; if you owe, payment was due in April, so you'll likely face both penalties and interest until you file and pay, but you won't be penalized if you're due a refund.
Individuals and most business tax returns
The penalty doesn't apply if you can show the failure was due to reasonable cause. The penalty is 5% of the tax due (less any tax paid on time and available credits) for each month or partial month the return is late. The penalty accrues up to a maximum of 25%.
Is there a penalty for filing taxes late? If you file your taxes late and owe money, the CRA charges you a penalty on the taxes owed. The first time you are late on your taxes, the CRA interest rate on your balance owing is 5%, plus an additional 1% percent for each month they're late—up to 12 months.
One-time forgiveness, officially known as First-Time Penalty Abatement (FTA), is an IRS program that allows qualified taxpayers to have certain penalties removed from their tax accounts.
If you can't pay your taxes by April 15, file your return anyway (even if you can't pay) to avoid the much steeper failure-to-file penalty, pay what you can, and then apply for an IRS payment plan (Installment Agreement) online for a short-term (up to 180 days) or long-term (monthly payments) plan, as penalties and daily compounded interest will accrue on the unpaid balance.
a fire, flood or theft prevented you from completing your tax return. postal delays that you could not have predicted. delays related to a disability or mental illness you have.
The IRS uses a combination of automated and human processes to select which tax returns to audit. Not reporting all of your income is an easy-to-avoid red flag that can lead to an audit. Taking excessive business tax deductions and mixing business and personal expenses can lead to an audit.
You likely received $1400 from the IRS today as a supplemental payment for the 2021 Economic Impact Payment (EIP3), specifically the Recovery Rebate Credit, for people who missed it by not claiming it or leaving it blank on their 2021 tax return. These are "plus-up" payments for those eligible for the third stimulus but didn't get the full amount, often for dependents or due to income changes, with a deadline to claim it by April 2025 by filing a 2021 return if you hadn't already.
IRS refunds for electronically filed returns with direct deposit are typically issued within 21 days, but paper returns take much longer (up to 6+ weeks), and any return with errors, identity theft issues, or claiming EITC/ACTC credits can be delayed, often requiring extra review. You can track your refund status using the {Link: "Where's My Refund?" tool or IRS2Go app on the IRS website, which updates daily.