Question: what documents do i need to hire a subcontractor?
Answer: Form W-9. The IRS requires contractors to fill out a Form W-9, request for Taxpayer Identification Number and Certification, which you should keep on file for at least four years after the hiring. ... 
Form 1099-MISC. ... 
A Written Contract. ... 
Invoices. ... 
Independent Contractor vs. ... 
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