Forms & links

Government Forms

• Form W-4
• Form W-9
• Form I-9

State Forms

• Form IL-W-4
• Illinois New Hire Reporting Form

Government Sites

• Internal Revenue Service >
• Small Business Administration >

Tax Guides

• 2019 Tax Guide
• 2018 Tax Guide
• 2017 Tax Guide
• 2016 Tax Guide
• 2015 Tax Guide

State Department Sites

Get more state-specific tax information straight from your state government's website.