PGI Part 211 - DESCRIBING AGENCY NEEDS
PGI 211.1 -SELECTING AND DEVELOPING REQUIREMENTS DOCUMENTS
PGI 211.105 Items peculiar to one manufacturer.
PGI 211.2 -USING AND MAINTAINING REQUIREMENTS DOCUMENTS
PGI 211.201 Identification and availability of specifications.
PGI 211.274 Item identification and valuation requirements.