In accordance with section 814 of the National Defense Authorization Act for Fiscal Year 2017 (Pub. L. 114-328) as amended by section 882 of the National Defense Authorization Act for Fiscal Year 2018 (Pub. L. 115-91), contracting officers shall not use reverse auctions when procuring items designated by the requiring activity as personal protective equipment or an aviation critical safety item, when the requiring activity advises the contracting officer that the level of quality or failure of the equipment or item could result in combat casualties. See 252.209-7010 for the definition and identification of critical safety items.