Deposit Safe Harbor Rule
The federal payroll withholding deposit obligation will be satisfied if the difference between the amount of tax that should have been deposited less the amount of tax actually deposited (shortfall) does not exceed the greater of $100 or 2% of the amount required to be deposited. The shortfall must, however, be deposited by a specified make-up date. The make-up date for monthly depositors is the due date for the quarterly return. The make-up date for semi weekly depositors and those required to make accelerated deposits is the first Wednesday or Friday (whichever is earlier) falling on or after the 15th day of the month in which the deposit was due.
