---identifier: "/us/cfr/t31/s308.3"source: "ecfr"legal_status: "authoritative_unofficial"title: "31 CFR § 308.3 - Exchanges of denominations."title_number: 31title_name: "Money and Finance: Treasury"section_number: "308.3"section_name: "Exchanges of denominations."chapter_name: "FISCAL SERVICE, DEPARTMENT OF THE TREASURY"subchapter_number: "A"subchapter_name: "BUREAU OF THE FISCAL SERVICE"part_number: "308"part_name: "GENERAL REGULATIONS GOVERNING FULL-PAID INTERIM CERTIFICATES"positive_law: falsecurrency: "2026-04-05"last_updated: "2026-04-05"format_version: "1.1.0"generator: "[email protected]"authority: "80 Stat. 379; sec. 8. 50 Stat. 481, as amended; secs. 1, 18, 5, 40 Stat. 288, as amended, 1309, as amended, 290, as amended; sec. 32, 30 Stat. 466, as amended; 5 U.S.C. 301; 31 U.S.C. 738a, 752, 753, 754, 756."regulatory_source: "6 FR 5289, Oct. 17, 1941, unless otherwise noted."cfr_part: "308"---
Identifier
/us/cfr/t31/s308.3
Currency
2026-04-05
Positive Law
No
Updated
2026-04-05
Chapter
Fiscal Service, Department of the Treasury
Authority
80 Stat. 379; sec. 8. 50 Stat. 481, as amended; secs. 1, 18, 5, 40 Stat. 288, as amended, 1309, as amended, 290, as amended; sec. 32, 30 Stat. 466, as amended; 5 U.S.C. 301; 31 U.S.C. 738a, 752, 753, ... 80 Stat. 379; sec. 8. 50 Stat. 481, as amended; secs. 1, 18, 5, 40 Stat. 288, as amended, 1309, as amended, 290, as amended; sec. 32, 30 Stat. 466, as amended; 5 U.S.C. 301; 31 U.S.C. 738a, 752, 753, 754, 756.
# 308.3 Exchanges of denominations.Pending availability of definitive securities, exchanges of authorized denominations of interim certificates, from higher to lower will be permitted.