---
kind: "unit"
title: "17"
title_heading: "Commodity and Securities Exchanges"
key: "chI/part38/subpartS"
level: "subpart"
label: "Subpart S"
heading: "Recordkeeping"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/17/chI-part38-subpartS"
sections_count: 2
---

# Subpart S — Recordkeeping

Title 17 C.F.R. — Commodity and Securities Exchanges › Chapter I — Commodity Futures Trading Commission › Part 38 — Designated Contract Markets

## Sections

- [§38.950. Core Principle 18.](/cfr/17/38.950.md)
- [§38.951. Additional sources for compliance.](/cfr/17/38.951.md)