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SEC. 6. DUE DATES
Internal Revenue Bulletin 2001-4 · 2026-10-03 edition · updated 2026-10-04 · United States
.01 Magnetic/electronic reporting of Forms W-4 to IRS must be at least quarterly (monthly reporting is encouraged). The following are the quarterly due dates:
Period Covered Due Date January 1 thru March 31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .April 30 April 1 thru June 30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .July 31 July 1 thru September 30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .October 31 October 1 thru December 31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .January 31 .02 If any due date falls on a Saturday, Sunday, or legal holiday, the Forms W-4 are considered timely if they are filed on the next day that is not a Saturday, Sunday, or legal holiday.
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