(1) A contract in which the author undertakes to grant rights of use in future works which are not specified in any way or are only referred to by type must be made in writing. Where the author concludes the contract with a collecting society, text form suffices. The contract may be terminated by either party after a period of five years following its conclusion. The term of notice is six months, unless a shorter term is agreed.
(2) The right of termination may not be waived in advance. Other contractual or statutory rights of termination remain unaffected.
(3) Where rights of use in future works have been granted in the performance of the contract, then upon termination of the contract the provision concerning the works which have not yet been supplied becomes ineffective.