Subpart 308.4 - Federal Supply Schedules
308.405-6 Limited source justification and approval.
(d)
(1) As required by Federal Acquisition Regulation (FAR) 8.405-1 or 8.405-2, the responsible program office must provide a written justification for an acquisition under the Federal Supply Service program that restricts the number of schedule contractors or when procuring an item peculiar to one manufacturer.