In case, the tendered item is restricted for placement off bulk orders on approved sources, then criteria for preferential treatment of MSEs under the Public Procurement Policy of MSE (i.e. for consideration of Purchase Preference in price band of L1+15%), will additionally require that the MSE firms are one of the valid approved sources for the tendered item. For applicability in this clause, L1 price means the lowest price received in the tender, amongst the Approved sources. However, in case Developmental order for part of the NPQ (Net Procurable Quantity) is also being placed on any MSE Developmental vendor, after due consideration of his eligibility and tender conditions, then compliance with the provision of PPP-MSE order, 2012 will be achieved, if the quantity ordered on MSE units (inclusive of both developmental vendors and approved vendors) reaches 25% of NPQ. (Authority: Railway Board%u2019s letter no 2022/RS(G)363/1 dated 24.09.2025 addressed to PCMM/BLW.