The first step is to have the contractor complete Form W9, Request for Taxpayer Identification Number and Certification. Before completing the appropriate tax documents, it is important to collect the necessary tax forms.If you are hiring a foreign contractor, you will need to have them complete IRS Form W8BEN. Schedule C is used to report your net income from self-employment. In addition, this recruitment may be used to fill future vacancies throughout Riverside County, including Coachella Valley and San Jacinto. Independent contractors must pay federal taxes on. 10. Learn about volunteer, internship and employment opportunities at our U.S. headquarters and affiliates, as well as our international locations. Get free legal advice and find a free or lowcost lawyer. Member service is Job No. 1. Costco is a membership warehouse club.