Examples include contractors, medical professionals, attorneys, etc.ĭownload: Adobe PDF, MS Word (.docx), OpenDocument Independent Contractor Agreement – Classified by the IRS as a 1099 Employee, is an individual or entity that is paid to perform a service. IRS Form W-9 – Required to be completed by an independent contractor at the start of employment (if more than $600 is to be paid for services or labor).IRS Form W-4 – Required to be completed by the employee at the start of employment.The following documents are required for USA companies hiring citizens and residents: