Step 1: Using Adobe Reader, please fill out the following required fields and save the form. Santa Clara Valley Open Space Authority.Sample Independent Contractor Agreement. Complete and attach the following forms: Employee's Withholding Allowance CertificateFederal Form W4,. To maximize its benefits, here is a guide on how to fill out independent contractor agreements properly. The identification of the governing law that applies to the contract. Unlike employees, independent contractors do not get employment benefits. An independent contract agreement helps to lay out work schedules, payment terms, and other essential details. Independent contractors might draw up a contract and present it to their client before beginning the project.