The IRS (https://www.irs.gov/taxtopics/tc653) failure-to-file penalty is generally 5% of the unpaid taxes for each month or part of a month a return is late, capped at 25% of the total tax due. If filed over 60 days late, the minimum penalty is the lesser of $ 525 $ 5 2 5 (for 2026) or 100% of the unpaid tax. Interest also accrues on unpaid taxes.
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.
Late-filing penalties
If you owe taxes and miss the deadline, the CRA will impose a late-filing penalty of 5% of your balance owing, plus 1% for each additional month you are late, up to a maximum of 12 months.
The penalty for late filing of ITR is Rs. 1,000 for income up to Rs. 5 lakhs and Rs. 5,000 for higher incomes, plus 1% monthly interest on unpaid tax.
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.
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.
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.
You can file taxes late, but the IRS charges penalties and interest; if you file an extension (Form 4868) by the April deadline, you get until October 15 to file, but must still pay any owed taxes by the April deadline to avoid penalties, which is 0.5% per month (max 25%) for failure to pay, plus a late-filing penalty that can be significant if you're over 60 days late.
Pay a Self Assessment penalty
If your total income is more than ₹5 lakh, the penalty for late filing is ₹5,000. If your income is ₹5 lakh or less, the penalty is capped at ₹1,000.
Failure to file penalties
If you file your return late, a penalty applies. The penalty is 5% of the unpaid tax that is due on the filing deadline, plus 1% of this unpaid tax for each complete month that the return is late, up to a maximum of 12 months.
Yes, you can still file your taxes after the deadline, and you should file as soon as possible to minimize penalties and interest, especially if you owe taxes, but remember an extension to file (until October) isn't an extension to pay; you should estimate and pay any owed taxes by the April deadline to avoid failure-to-pay penalties. If you're owed a refund, there's usually no penalty for filing late, but you must file within three years to claim it.
Sound reasons, if established, include:
Taxpayers who file a late tax return and have a balance due can face significant monetary penalties. Taxpayers who willfully fail to file can also face criminal sanctions. Failure to file penalty (5% per month, maximum of 25%).
National taxes (BIR)
25 % of basic tax for late filing or late payment; 50 % if the return is fraudulent, fictitious or filed to evade tax. “Double the legal interest rate” p.a. (6 % civil code rate × 2 = 12 % p.a.). Runs from statutory due date until fully paid.
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.
A reasonable excuse is something that stopped you meeting a tax obligation for a valid reason, for example: your partner or another close relative died shortly before the tax return or payment deadline. you had an unexpected stay in hospital that prevented you from dealing with your tax affairs.
In addition to a fine, the ATO can also apply General Interest Charges (GIC), on any amount still owing. Note: The rate for GIC changes quarterly. At the time of writing this article, the rate is 10.61% per annum (October – December 2025).
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.
There is no hard limit on how many years you can file back taxes. However, to be in “good standing” with the IRS, you should have filed tax returns for the last six years.
If you have not filed a tax return in one or more years, file as soon as possible. This can help you reduce penalties and interest you may owe.
The IRS $600 rule refers to a change in reporting requirements for third-party payment apps (like Venmo, PayPal) for taxable income from goods and services, where platforms must send a Form 1099-K if you receive over $600 in a year, intended to capture gig economy/side hustle income, though delays and phased implementation have adjusted the timeline, with current rules for 2024 using a higher threshold ($5,000) before fully phasing to $600 for future years, but remember all taxable income, regardless of form, must always be reported.
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 don't owe taxes, not filing means no penalties, but you lose out on refunds and credits, like the Earned Income Tax Credit, and can delay benefits like Social Security or loans; you typically have three years to file and claim a refund, but you must file to get your money back. The IRS won't penalize you for late filing if no tax is due, but you won't receive any overpayments or refundable credits until you file.