It is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
Documentation regarding the ACH methodology, both on this Web site and included in the downloadable ACH software, was originally authored by and is Copyright (c) 2005,2006 Richards Heuer, with modifications for this software by Heuer, Randolph Pherson and Matthew Burton. It was originally distributed with the PARC ACH tool under the terms of the MIT License:
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the documentation.