December 21, 2018 @ 12:00 am - December 22, 2018 @ 12:00 am Deposit payroll tax for payments on Dec 15-18 if the semiweekly deposit rule applies.
December 19, 2018 @ 12:00 am - December 20, 2018 @ 12:00 am Deposit payroll tax for payments on Dec 12-14 if the semiweekly deposit rule applies.
December 17, 2018 @ 12:00 am - December 18, 2018 @ 12:00 am Corporations: Deposit the fourth installment of your 2018 estimated tax.