. . . . . . "Any person acting in breach of this provision will be required to deliver up any tapes, films, disks or other recordings or data to the Football League and/or the Club and the copyright in any such recording or transmission is herby assigned (by way of present assignment of future copyright pursuant to section 91 of the Copyright, Designs, and Patents Act 1988) to the Club. 2.6 Mobile telephones a" .