The attached invoice requires your confirmation that the progress milestones, goods
and / or services have been rendered by the supplier and that such goods and / or
services have, to the best of your knowledge, appear to have been received in
accordance with the above-referenced Purchase Order. The preceding sentence may
not be relied upon by third parties and does not constitute a waiver of any rights
Jacobs may have against a vendor for failure to supply conforming items or services