Parallel provisions protect the integrity of copyright-management information. Such information is defined as data identifying works, their authors or copyright owners, or the terms and conditions for use of work, although other pertinent information is included in the definition. The provisions prohibit the knowing falsification, alteration, or removal of copyright -management information that has been falsified , altered or removed , if an intent to enable or conceal copyright infringement is proven. Limitations and exemption are provided for law enforcement , intelligence , and other government activities. Special provisions detail how prohibitions apply to broadcasters and cable system operators.