An agreement on GVCs is not legally necessary. However, with one has a number of important benefits for you and your users/customers. Written service agreements are generally more necessary when contractual terms become more complex or need to be clarified. The legal website is simple and follows the design of The Guardian`s website. But the agreement is long and it has several clauses that are useful to The Guardian: TIPP: In almost every case of creative work (like a logo you pay for being designed), the copyright will remain with the creator, whether they created it or not in your name. If you use a contractor to manufacture copyrighted material, make sure that the contract involves the transfer of these protections, so that you own all the rights to the materials you paid for.