---
kind: "unit"
title: "12"
title_heading: "Banks and Banking"
key: "chI/part1"
level: "part"
label: "Part 1"
heading: "Investment Securities"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/12/chI-part1"
sections_count: 12
---

# Part 1 — Investment Securities

Title 12 C.F.R. — Banks and Banking › Chapter I — Comptroller of the Currency, Department of the Treasury

## Sections

- [§1.1. Authority, purpose, scope, and reservation of authority.](/cfr/12/1.1.md)
- [§1.2. Definitions.](/cfr/12/1.2.md)
- [§1.3. Limitations on dealing in, underwriting, and purchase and sale of securities.](/cfr/12/1.3.md)
- [§1.4. Calculation of limits.](/cfr/12/1.4.md)
- [§1.5. Safe and sound banking practices; credit information required.](/cfr/12/1.5.md)
- [§1.6. Convertible securities.](/cfr/12/1.6.md)
- [§1.7. Securities held in satisfaction of debts previously contracted; holding period; disposal; accounting treatment; non-speculative purpose.](/cfr/12/1.7.md)
- [§1.8. Nonconforming investments.](/cfr/12/1.8.md)
- [§1.100. Indirect general obligations.](/cfr/12/1.100.md)
- [§1.110. Taxing powers of a State or political subdivision.](/cfr/12/1.110.md)
- [§1.120. Prerefunded or escrowed bonds and obligations secured by Type I securities.](/cfr/12/1.120.md)
- [§1.130. Type II securities; guidelines for obligations issued for university and housing purposes.](/cfr/12/1.130.md)