Deposit payroll tax for payments on May 2-5 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: May 8, 2015 all-day 2015-05-08T00:00:00-07:00 2015-05-09T00:00:00-07:00 ← File Form 2290 and pay the tax on vehicles first used in March.Individuals: Pay the final installment of your 2014 estimated tax. Use Form 1040-ES. →