* Information reasonably sufficient to permit the service provider to contact the complaining party, such as an address, telephone number, and, if available, an electronic mail address
* Identification of the material that is claimed to be infringing or to be the subject of the infringing activity and that is to be removed
* A physical or electronic signature of a person authorized to act on behalf of the copyright owner Identification of the copyrighted work claimed to have been infringed
