Per Diem Rates from the U.S. General Services Administration
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Rates are set by fiscal year, effective October 1 each year. Find current rates in the continental United States ("CONUS Rates").
When an Insufficient Employment Tax Deposit May Not Cause a Penalty
You are required to deposit 100% of your employment tax liability on or before the deposit due date. However, penalties will not be applied for depositing less the 100% if both of the following conditions are met:
Any deposit shortfall does not exceed the greater of $100 or 2% of the amount of taxes otherwise required to be deposited and
The deposit shortfall is paid or deposited by the shortfall
makeup date described next
Makeup Date For Deposit Shortfall
Monthly schedule depositor.
Deposit the shortfall or pay it with your return by the due date of your return for the return period in which the shortfall occurred.
You may pay the shortfall with your return even if the amount is $2,500 or more.
Semiweekly schedule depositor:
Deposit by the earlier of:
The first Wednesday or Friday (whichever comes first) that falls on or after the 15th of the month following the month in which the shortfall occurred or
The due date of your return (for the return period of the tax liability).
Avoid costly penalties!
Use the IRS Online Tax Calendar to check filing and deposit deadlines.