File Form 941 for the first quarter if you timely deposited all required payments. 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 10, 2018 all-day 2018-05-10T00:00:00-07:00 2018-05-11T00:00:00-07:00 ← Deposit payroll tax for payments on Dec 13-15 if the semiweekly deposit rule applies.Deposit payroll tax for payments on Jan 3-5 if the semiweekly deposit rule applies. →