December
15
- Monthly-filers
Form 941 federal tax deposit due
- DC sales
tax return and payment due, monthly filers
- Maryland
income tax withheld return and payment due, monthly filers
20
- Virginia
income tax withheld return and payment due, monthly filers
- DC income
tax withheld payment return and payment due, monthly filers
- Virginia
and Maryland sales tax return and payment due, monthly filers
31
- Virginia,
DC and Maryland individual estimated tax payment #4, if you itemize your deductions
- Contribution
to Education IRA due date