Individuals: File your tax return if you did not pay your last installment of estimated tax by Jan 17th (see Form 1040-ES) Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: January 31, 2017 all-day 2017-01-31T00:00:00-08:00 2017-02-01T00:00:00-08:00 ← Deposit payroll tax for payments on Dec 16-19 if the semiweekly deposit rule applies.File Form 730 and pay tax on wagers accepted during July. →