Buyer Added text based ATC clauses Bidders must opt for applicable purchase preference category i.e., PPP-MSE, while submitting their offer on the GeM portal. If purchase preference is not opted in the GeM portal, then bidder will be treated as ‘non-M SE’ (as the case may be), in context of purchase preference. In addition, if other bidders opt for applicable purchase preference in the GeM portal and if they are found t o be eligible for purchase preference as per MSE Purchase Preference Policy (as applicable), then price ma tching request(s) will be raised to all such eligible bidders as per MSE Purchase Preference Policy in the Ge M portal and order(s) will be awarded as per MSE policy .