Originally Posted by
OOfff
you absolutely cannot just stop all withholding and pay in April in a large chunk. You will get fined and subject to quarterly tax filing.
actually you can
you will only be assessed (fairly moderate) penalties and fees if your tax payments were
1) less than owed, AND
2) less than you paid last year
in the situation of a significant windfall bonus, you could reduce withholding for the rest of the calendar year and pay in April.