Tax Deadlines

Tax due date timeline


Federal Notes:

  • Federal Payroll tax deposits are paid through EFTPS (Electronic Federal Tax Payment System) unless paid with the form
  • Monthly Federal/FICA Depositor Form 941 taxes on payroll made during a month by the 15th day of the following month
  • Semi-weekly Depositor:
    • If wages paid on Wednesday through Friday, taxes due by following Wednesday
    • If wages paid on Saturday through Tuesday, taxes due by following Friday

State of Iowa Notes:

  • State Withholding - Payable to Treasurer State of Iowa
  • Full Iowa due date calendar can be found here
Employer Deadlines