Deposit payroll tax for payments on Dec 23-26 if the semiweekly deposit rule applies. 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: December 29, 2017 all-day 2017-12-29T00:00:00-08:00 2017-12-30T00:00:00-08:00 ← Deposit payroll tax for payments on Aug 26-29 if the semiweekly deposit rule applies.Pay the final installment of your 2016 estimated tax – use Form 1040-ES. →