Individuals

IRS Where’s My Refund
https://sa.www4.irs.gov/irfof/lang/en/irfofgetstatus.jsp

Federal Estimated Tax Payment
https://www.irs.gov/payments/direct-pay

Where’s My Iowa Refund?
https://tax.iowa.gov/wheres-my-refund

Iowa Estimated Tax Payment
https://tax.iowa.gov/easypayiowa

Employer Employee Hiring

Form W-4 (Employee Federal Withholding)
https://www.irs.gov/forms-pubs/about-form-w-4

Form IA W-4 (Employee IA Withholding)
https://tax.iowa.gov/forms/ia-w-4-employees-withholding-certificate-44-019-21

Form I-9 Basic Version
https://www.uscis.gov/i-9

Employer Payroll Taxes

Pay Federal 941 Deposit
https://www.eftps.gov/eftps

Pay Iowa Unemployment Tax
https://www.myiowaui.org/UITIPTaxWeb/uilogin.do