You can file your tax return as soon as you have all your income documents, usually starting in late January each year
The IRS begins accepting tax returns on a specific date each year, which changes slightly based on when they finish testing their systems. For the 2024 tax year (filed in 2025), the IRS started accepting returns on January 27. The earliest you can file is when you have your W-2s from employers, 1099s from banks or investment accounts, and any other income documents your situation requires.
You do not have to wait until April 15 to file. Filing early means your refund can arrive weeks or even months sooner than if you file in March or April. The tradeoff is that you need all your documents ready, and if you file before you receive a document you're missing, you may have to file an amended return later.
The deadline to file is April 15 of the following year, but filing by then does not mean your refund arrives by then—it means you must submit your return by that date to avoid penalties. If you cannot file by April 15, you can request an automatic extension that moves your deadline to October 15, though this only extends the filing deadline, not the payment deadline for taxes owed.
Key Takeaways
- The IRS opens its filing system in late January each year; for 2024 taxes you file in 2025, filing opened January 27.
- You can file as soon as you have all your W-2s, 1099s, and other income documents, which usually arrive by late January.
- Filing early can get your refund to you in three to five weeks instead of waiting until April when millions file at once.
- The April 15 deadline is for submitting your return, not for receiving your refund; filing late does not delay a refund once processed.
- If you cannot file by April 15, you can request an extension to October 15, but this does not extend the deadline for paying taxes you owe.
When the IRS actually starts accepting returns each year
The IRS announces its opening date in November of the prior year. The date typically falls between late January and early February, depending on when the IRS finishes testing its systems and preparing for the filing season. For the 2025 filing season (for 2024 taxes), returns were accepted starting January 27. For 2026 (2025 taxes), the IRS will announce the opening date in November 2025.
You can check the IRS website at irs.gov for the exact opening date each year, or watch for the announcement in November. Some tax software companies also announce the date as soon as the IRS does, so if you use TurboTax, H&R Block, or another platform, you may see it there first.
What documents you need before you can file
Your employer must send you a W-2 by January 31 if you worked as an employee. If you have multiple jobs, you will receive multiple W-2s. Banks, investment firms, and insurance companies send 1099s for interest, dividends, capital gains, or other income by the same deadline. If you are self-employed, you do not receive a 1099 from yourself, but you do need to gather records of all income and expenses to calculate your profit or loss.
Other documents that may apply to your situation include a 1098-T for education expenses, a 1098 for mortgage interest, a 1095-B or 1095-C for health insurance, or a 1098-R for retirement distributions. If you received unemployment benefits, you will get a 1099-G. If you received a stimulus payment or child tax credit advance, you may receive a letter showing the amount.
You do not have to wait for every possible document if you know you will not need it. For example, if you had no investment income, you do not need to wait for a 1099-INT. But if you are unsure whether a document applies to you, it is safer to wait and receive it than to file without it and have to amend later.
Why filing early gets your refund faster
When you file in late January or February, your return enters a shorter processing queue. The IRS processes returns in the order they are received, and early filers typically see their refunds within three to five weeks. If you file in March or April, you are competing with millions of other returns, and processing can take six to eight weeks or longer, even though the IRS is processing faster overall.
The IRS also has more staff and resources available in February than in April, so returns move through more quickly. If you file electronically and choose direct deposit, your refund reaches your bank account faster than if you request a paper check.
Filing early also gives you time to catch and fix errors before the April 15 deadline. If the IRS rejects your return because of a mistake, you have weeks to correct it and resubmit rather than scrambling in early April.
What happens if you file after April 15
If you do not file by April 15, you owe a failure-to-file penalty on any taxes you owe, even if you have a refund coming. The penalty is usually 5 percent of the unpaid tax for each month or part of a month that your return is late, up to 25 percent. However, if you are owed a refund, there is no penalty for filing late—the IRS will not penalize you for submitting a return that shows you overpaid.
You can request an automatic extension by filing Form 4868 before April 15, which moves your filing deadline to October 15. This extension does not give you extra time to pay taxes you owe; it only extends the deadline for submitting your return. If you owe taxes and do not pay by April 15, you will owe interest and penalties on the unpaid amount, even if you have an extension.
How to request an extension if you need more time
You can request an automatic six-month extension by filing Form 4868 (Application for Automatic Extension of Time To File U.S. Individual Income Tax Return) before April 15. You can file this form electronically through tax software, by mail, or by phone. The form is short and does not require a reason; the IRS grants it automatically as long as you submit it on time.
Filing an extension does not mean you can delay paying taxes you owe. If you expect to owe money, you should estimate the amount and pay it by April 15 to avoid interest and penalties. You can pay through the IRS website, by mail, or through your tax software.
If you file an extension and later discover you owe more than you paid, you will owe interest on the unpaid portion from April 15 forward. If you overpaid, your refund will still be processed normally once you file your return, even if you file in October.
State tax filing deadlines and how they differ from federal
Most states follow the federal April 15 deadline, but a few have different dates. Some states do not have an income tax at all. If you live in a state with an income tax, check your state's tax agency website to confirm the deadline; it is usually listed prominently in January.
State returns can often be filed at the same time as your federal return, and many tax software platforms file both simultaneously. However, some states have their own extension rules or different penalties for late filing, so if you are requesting a federal extension, verify whether your state honors it automatically or requires a separate state extension form.
If you owe state taxes, the state may have its own interest and penalty structure separate from the federal penalties, so paying on time protects you on both fronts.
Frequently Asked Questions
Can I file my taxes before I receive all my documents?
You can file without a document if you are certain you will not need it, but if you are unsure, it is safer to wait. If you file without a 1099 you should have received and the IRS receives it later, they will send you a notice and you may owe additional tax plus interest. Filing an amended return takes extra time and effort.
What if my employer is late sending my W-2?
Employers must send W-2s by January 31, but if yours is late, you can contact your employer to request it. If they do not send it by February 28, you can file Form 4852 (Substitute for Form W-2) with your tax return using the income information you have. The IRS will match it against the W-2 when it arrives.
Does filing an extension delay my refund?
No. An extension only moves your filing deadline to October 15. Your refund is processed based on when you actually file your return, not when the deadline is. If you file in February with an extension in place, your refund arrives on the normal timeline.
Will I get penalized if I file my return late but I am owed a refund?
No. The failure-to-file penalty only applies if you owe taxes. If your return shows a refund, there is no penalty for filing late, though you will receive your refund later than if you had filed on time.
Can I file my state and federal taxes on different dates?
Most states use the same April 15 deadline as the federal government, but a few differ. Check your state tax agency website to confirm. If you file a federal extension, verify whether your state honors it or requires a separate extension form.