What Is Form W-9: Request for Taxpayer Identification Number (TIN) and Certification? Form W-9, Request for Taxpayer Identification Number (TIN) and Certification, is an Internal Revenue Service (IRS) ...
Employers in the United States are required to use a new, shorter I-9 form that can now be filled out on mobile devices starting Nov. 1, according to Society for Human Resource Management (SHRM), a ...