{"data":{"id":"us/48-cfr-211.170","jurisdiction":"us","citation":"48 CFR 211.170","heading":"211.170 Use of proprietary specifications or standards.","body":"A justification and approval is required to use proprietary specifications and standards—\n(1) When using sealed bidding or negotiated acquisition procedures (see 206.302-1(S-70) for justification requirements); or\n(2) When using the simplified procedures for certain commercial products or commercial services at FAR 13.5 (see 213.501(a)(ii) for justification requirements).","path":["Title 48—Federal Acquisition Regulations System","CHAPTER 2—DEFENSE ACQUISITION REGULATIONS SYSTEM, DEPARTMENT OF DEFENSE","SUBCHAPTER B—ACQUISITION PLANNING","PART 211—DESCRIBING AGENCY NEEDS","Subpart 211.1—Selecting and Developing Requirements Documents"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-48.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:29Z","sha256":"a94e6d12ad1423ff0ae000a9294aea508c2bc98fe1c6835c10bdfeab5d7fa999","source_id":"us-cfr","stale":true,"prev":"us/48-cfr-211.107","next":"us/48-cfr-211.201"},"notice":"GroundRules: Original legal text. Not legal advice."}