1218 Publ 1518-A (PDF)

Official source: IRS Forms, Instructions & Publications (https://www.irs.gov/pub/irs-pdf/p1518a.pdf), retrieved 2026-10-03. U.S. Government work (17 U.S.C. § 105).

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Businesses can track federal tax due dates on their computers or mobile devices using the electronic versions of the IRS Tax Calendar for Businesses and Self-Employed.

Available in English and Spanish Access from your computer, smartphone or tablet Filter due dates by monthly depositor, semiweekly depositor, excise or general event types to see the dates that apply to you See all due dates for each month

Have Calendar reminders sent to your email inbox via RSS Feeds Select one or two weeks in advance of when a form or payment is due. View the Instructions for RSS Feeds (Spanish)

Subscribe using Outlook 2010, Outlook 2007 or Mac iCal (Spanish) Download important tax dates to Outlook 2003 or other calendar programs (Spanish) Works with your computer, iPhone or iPad

All these options are available on the IRS Tax Calendar for Businesses and Self-Employed page of IRS.gov. Just enter “Tax Calendar” in the search box.

Publication 1518-A (Rev. 12 -201 8 ) Catalog Number 66021N Department of the Treasury Internal Revenue Service www.irs.gov