Whilst considerable effort is made to ensure that JESS is error-free and user-friendly, we give no warranties.

Accordingly, no warranties are expressed or implied.

JESS is made available to you on an 'as is' basis, under the condition that you use it entirely at your own risk. We do not make any binding claims about the accuracy, completeness, or usefulness of any information, product, or process published on this website; nor do we represent that its use would not infringe privately-owned rights.

Performance may not meet specifications; interfaces may change in future; the Owners may withdraw access.

No person, institution or agency associated with JESS development assumes any responsibility for losses incurred through the use of JESS or of its documentation or of this website. All liabilities are limited to the maximum extent permitted by law.

Use of JESS indicates acceptance of an agreement by you that JESS material will not be copied by you (in whole, or in part).

JESS support, usually by e-mail, is entirely at the discretion of the Principal Author (PMM).

Permission to use JESS facilities is granted only on these terms.