This website contains a collection of forms and precedent legal documents relating to nonprofit organizations. Discover the ultimate guide to nonprofit affiliate agreements with our comprehensive template.You must fill out and submit this form with each new action. Form W9 is a tax document that your nonprofit uses to request tax information from contractors. THEA owns, maintains, and operates the Selmon Expressway, the Brandon Parkway, Meridian Avenue, and the Selmon Greenway. Organizations seeking exemption from Sales and Use Tax must complete all steps of this application.