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When to file | Internal Revenue Service
Jan 10, 2025 File on: The fourth month after your fiscal year ends, day 15. If day 15 falls on a Saturday, Sunday or legal holiday, the due date is delayed
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State returns usually need to be physically mailed. To meet the filing deadline, your returns must be postmarked by April 15th. Post your returns or extension.
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postal bulletin 22557 (10-22-20) - About USPS home
Nov 1, 2020 For the complete list of mailing and shipping deadlines, go to about.usps.com/holidaynews. Domestic Mail Class/Product. Mail by. Date. USPS
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