Deposit payroll tax for payments on Dec 19-21 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 27, 2018 all-day 2018-12-27T00:00:00-08:00 2018-12-28T00:00:00-08:00 ← File Form 11-C to register and pay annual tax if you are in the business of taking wagers.