Gentlemen:

Your delivery of (description of goods) which was
received by us on (date) does not meet the
specifications as outlined in our contract of (date) .

Inasmuch as this merchandise does not meet our
requirements, we are hereby requesting that you suspend
any future deliveries as called for in our herein
referenced contract and release us from that certain
contract.

Due to our contractual commitments, we must supply our
customer with the appropriate goods within a specified
period of time which requires that we now proceed to make
our purchases from a different source.

We would appreciate receiving your release as soon as
possible.