When to File Taxes
Knowing when to file taxes can help you avoid late fees or other penalties. The due date for filing your income tax return for the prior year is typically April 15 (or within a few days of that date, if it happens to fall on a weekend). See Step-by-Step Guide to Filing Your Federal Taxes for a more in-depth guide.
Dates are slightly different for each year, but due dates for filing a return with or without an extension of time, follow a predictable pattern:
- Filing deadline without an extension is April 15 (or the following business day, if on a weekend or holiday)
- If you applied for an extension, you typically have until Oct. 15 (or the following business day, if on a weekend or holiday) in which to file (see also Filing Late Returns FAQ)
If you use a fiscal year (a year ending on the last day of any month except December, or a 52-53-week year), your income tax return is due by the 15th day of the 4th month after the close of your fiscal year.
When the due date for doing any act for tax purposes--filing a return, paying taxes, etc.--falls on a Saturday, Sunday, or legal holiday, the due date is delayed until the next business day.
Filing on Time
Your paper return is filed on time if it is mailed in an envelope that is properly addressed, has enough postage, and is postmarked by the due date. If you send your return by registered mail, the date of the registration is the postmark date. The registration is evidence that the return was delivered. If you send a return by certified mail and have your receipt postmarked by a postal employee, the date on the receipt is the postmark date. The postmarked certified mail receipt is evidence that the return was delivered.
Private Delivery Services. If you use a private delivery service designated by the IRS to send your return, the postmark date generally is the date the private delivery service records in its database or marks on the mailing label. The private delivery service can tell you how to get written proof of this date.
When to File Taxes: Electronically Filed Returns
If you use IRS e-file, your return is considered filed on time if the authorized electronic return transmitter postmarks the transmission by the due date. An authorized electronic return transmitter is a participant in the IRS e-file program that transmits electronic tax return information directly to the IRS.
The electronic postmark is a record of when the authorized electronic return transmitter received the transmission of your electronically filed return on its host system. The date and time in your time zone controls whether your electronically filed return is timely.
Consider speaking with a tax attorney or accountant if you have additional questions about when to file taxes or which forms to use.
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