What form is commonly used for tax withholding information for vendors?

The W-9 Form is the appropriate document used to collect tax withholding information from vendors. When a business engages with independent contractors or vendors, it is essential to obtain the vendor's taxpayer identification number (TIN) to properly report payments made to them. The W-9 Form serves this purpose by providing a mechanism for vendors to supply their TIN and certify their tax status to the payment-making business.

This form is particularly important in the context of tax reporting requirements. When a company pays a vendor a certain threshold of payments throughout the year, it is obligated to report those payments to the IRS using the Form 1099. The information on the W-9 is crucial for accurately completing the 1099 forms, ensuring that the IRS receives the right information about the vendors' earnings.

In contrast, the other forms mentioned serve different functions: the W-2 Form is used for reporting wages paid to employees, the W-4 Form is for employees to indicate their tax withholding preferences, and the 1099 Form is used to report various types of income excluding wages, salaries, and tips. Thus, the W-9 Form is specifically relevant for gathering necessary tax information from vendors.