A foreign entity registering under a fictitious name must file assumed name certificates with the secretary of state (Form 503 (Word 125kb, PDF 74kb)). See Form 306 (Word, PDF).Going to hire a contractor in the USA? The first step is to have the contractor complete Form W9, Request for Taxpayer Identification Number and Certification. How do I fill this out? Statutory benefits outlined in the Texas Worker's Compensation Act (Section 401). See Form 306 (Word, PDF). Have foreign contractors complete IRS Form W-8BEN. Hit the "Get Form" Button on this page. A Texas independent contractor agreement binds two parties, an independent contractor and a client.