Internal Revenue Internal Revenue Service (IRS)
1040 and 1040-SR Insturctions Tax Year 2020
1040A Instructions 2017
1040EZ Instructions 2017
Employer's Tax Guide : Publication 15
IRS 4491 VITA/TCE Training Guide Volunteer Income Tax Assistance (VITA) / Tax Counseling for the Elderly (TCE) 2020 RETURNS
IRS Tax, Individual Income Tax Instructions and Forms
Publication 15-B , Employer's Tax Guide to Fringe Benefits