Home › CFR › Title 17 › Part 45017 CFR Part 450 — Custodial Holdings of Government Securities by Depository Institutions§ 450.1— Scope of regulations; office responsible.§ 450.2— Definitions.§ 450.3— Exemption for holdings subject to fiduciary standards.§ 450.4— Custodial holdings of government securities.§ 450.5— Effective date.