Press photographs may only be used for editorial purposes. Copyright, as well as the right to use and exploit the press photographs, belongs to Messe Frankfurt GmbH. Press photographs that are used, changed, reproduced and / or electronically modified must be identified with the following source reference: 'Messe Frankfurt GmbH / name of photographer'. Copying and publication is free of charge. However, we do ask print media for a voucher copy and the electronic media (internet) for a brief notification. The prior written approval of Messe Frankfurt GmbH must be obtained if the press photographs are to be used for commercial purposes.