The following was extracted from an email message from Steve Zilles (Adobe) sent to the IETF FAX Working Group mailing list September 29, 1997 Mr. Don Heath Internet Society International Secretariate 12020 Sunrise Valley Drive Suite 210 Reston, Virginia 20191 Re: Referencing TIFF specifications from ISOC/IETF Standards Dear Mr. Heath, There has been a discussion of the use of the TIFF specification as the basis for the interchange of FAX data on the Internet. In conjunction with that work, Adobe Systems supports the use of and, hereby, grants you a license to use the TIFF specification as the basis for an ISOC/IETF standard provided the following conditions are met: 1. The ISOC/IETF standard incorporates the TIFF specification only by reference to a published version of the TIFF specification. This reference should include both a version number and a publication date; for example, TIFF 6.0 dated June 3, 1992. 2. Adobe is acknowledged as the copyright holder on the version of the TIFF specification that is referenced. The reference should include the following copyright notice: The TIFF