CFR›Title 17›Chapter I›Part 38›Subpart B ContainsSection 38.100CorpusDaily eCFRDisplayed edition2026-09-16Last updated2026-09-16 Subpart B—Designation as Contract Market Sections 38.100 § 38.100 Core Principle 1. Source77 FR 36700, June 19, 2012, unless otherwise noted.