US lawFederal (United States)RegulationsTitle 15 CFR — Commerce and Foreign TradeChapter II — NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY, DEPARTMENT OF COMMERCEPart 230 — STANDARD REFERENCE MATERIALSSubpart B — Purchase Procedure230.615 C.F.R. § 230.6Standard Reference Materials out of stock.Last amended: 2016Year: 2026Length: 13 wordsOfficial source Cite as 15 C.F.R. § 230.6 (2026)Orders for out-of-stock SRM's will be returned with information as to future availability.Previous15 C.F.R. § 230.5