April 17, 2018 @ 12:00 am - April 18, 2018 @ 12:00 am Deposit payroll tax for Mar if the monthly deposit rule applies.
April 17, 2018 @ 12:00 am - April 18, 2018 @ 12:00 am Corporations: Deposit the first installment of your 2018 estimated tax.
April 17, 2018 @ 12:00 am - April 18, 2018 @ 12:00 am Employers: Employees are required to report to you tips of $20 or more earned during March.