US lawFederal (United States)RegulationsTitle 40 CFR — Protection of EnvironmentChapter I — ENVIRONMENTAL PROTECTION AGENCYPart 73 — SULFUR DIOXIDE ALLOWANCE SYSTEMSubpart E — Auctions, Direct Sales, and Independent Power Producers Written Guarantee73.7240 C.F.R. § 73.72Direct sales.Last amended: 2016Year: 2026Length: 36 wordsOfficial source Cite as 40 C.F.R. § 73.72 (2026)Allowances that were formerly part of the direct sale program, which has been terminated under § 73.73(b), will be included in the annual allowance auctions in accordance with § 73.70(a). [61 FR 28763, June 6, 1996]Cross-references to the CFR73.7073.73Previous40 C.F.R. § 73.71Next40 C.F.R. § 73.73