Links
Where’s my refund?
Where’s my amended return?
Making payments to the IRS
Setting up payment plans with the IRS
Where do I mail my tax 1040 tax return?
How do I get an IP PIN?
Free File with the IRS
Change of Address with the IRS
IRS Online Tools
Forms
W4 (Employee Withholding Certificate)
I9 Form (Employee Eligibility Verification)
W9 Form (Request for Taxpayer Identification Number and Certification)
W7 Form (Application for IRS Individual Taxpayer Identification Number)
1098 Mortage Interest Statement
Calculators
Sales Tax Deduction
What is my filing status?
Do I qualify for Earned Income Credit?
Tax withholding Estimator
Education Credits
Child and Dependent Care Credit