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  1. PTT shall evaluate vendors after the completion of the delivery of products/services in each delivery period, based on their work performance. 
  2. PTT reserves the right to use the vendor evaluation’s result in order to determine the bidder’s qualification for the next PTT’s bidding. 
  3. In the case of any vendors in the PTT Approved Vendor List( PTT AVL)is given graded “D” from the vendor evaluation under a specific type of work, PTT reserves the right to delist such vendors from type of work hereunder. The vendors shall not be permitted to register with PTT AVL under such type of work for at least 3 years from the delisted date. from the delisted date. 
  4. If the vendor has any queries with regards to the vendor evaluation, the vendor shall submit the request in writing to the procurement unit of PTT for the explanation of such evaluation. The copy of the purchase order/contract and work result must be attached to the request.