10 U.S.C. § 3207

1. (1)when the appropriate officials of the Department are making an assessment of the most advantageous source for acquisition of the supplies (considering quality, price, delivery, and other factors), there is a review of the availability and cost of each item of supply—
   1. (A)through the supply system of the Department of Defense; and
   2. (B)under standard Government supply contracts, if the item is in a category of supplies defined under regulations of the Secretary of Defense as being potentially available under a standard Government supply contract; and
2. (2)there is a review of both the procurement history of the item and a description of the item, including, when necessary for an adequate description of the item, a picture, drawing, diagram, or other graphic representation of the item.