Purchase orders are required and full payment is expected on all trial orders. Under certain conditions, no-charge trial orders will be accepted, provided approval has been granted prior to order entry. Trials will be invoiced on the basis of the quantity normally ordered (NOQ). Trials proving only partially satisfactory will be credited on the basis of product performance. If the product is reported to be partially or totally unsatisfactory, a trial report form must be completed before a credit can be issued.
