CFR›Title 31›Subtitle B›Chapter I›Part 100›Subpart A ContainsSections 100.3–100.4CorpusDaily eCFRDisplayed edition2026-09-25Last updated2026-09-25 Subpart A—In General Sections 100.3 § 100.3 Lawfully held coin and currencies in general. 100.4 § 100.4 Gold coin and gold certificates in general. Previous 100.2 § 100.2 Scope of regulations; transactions effected through Federal Reserve banks and branches; distribution of coin and currencies. Next B Subpart B—Request for Examination of Mutilated Currency for Possible Redemption