The 2018 NDAA contains an interesting provision being dubbed "The Amazon Amendment", which is described in Section 801 as "....a program to procure commercial products through online marketplaces for purposes of expediting procurement and ensuring reasonable pricing of commercial products." (http://thecgp.org/images/Section-801-2018-NDAA.pdf)
Key Provisions:
"...is used widely in the private sector, including in business-to-business e-commerce..."
"...enables offers from multiple suppliers on the same or similar products..."
"...a procurement of a product made through