March 15, 2016 @ 12:00 am - March 16, 2016 @ 12:00 am Corporations: File Form 1120 for calendar year and pay any tax due. For automatic 6-month extension, file Form 7004 and deposit estimated tax.
March 11, 2016 @ 12:00 am - March 12, 2016 @ 12:00 am Deposit payroll tax for payments on Mar 5-8 if the semiweekly deposit rule applies.
March 10, 2016 @ 12:00 am - March 11, 2016 @ 12:00 am Employers: Employees are required to report to you tips of $20 or more earned during February.
