In addition to legislative reforms, private negotiations between owners and users of copyrighted materials resulted in guidelines for classroom and educational use as well as reserve room use. These guidelines were not part of the statute but were included in the House report accompanying the 1976 act. The 1976 "Agreement on Guidelines for Classroom Copying in Not-for-Profit Educational Institutions with Respect to Books and Periodicals" was adopted by thirty-eight educational organizations and the publishing industry. According to the text of the guidelines, the purpose was "to state the minimum and not the maximum standards of educational fair use under section 107 of the [Copyright Act of 1976]. The parties agree that the conditions determining the extent of permissible copying for educational purposes may change in the future; that certain types of copying permitted under these guidelines may not be permissible in the future; and conversely that in the future other types of copying may be permissible under revised guidelines