---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchR/part703"
level: "part"
label: "Part 703"
heading: "Confidentiality Claims"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchR-part703"
sections_count: 5
---

# Part 703 — Confidentiality Claims

Title 40 C.F.R. — Protection of Environment › Chapter I — Environmental Protection Agency › Subchapter R — Toxic Substances Control Act

## Sections

- [§703.1. Purpose and applicability.](/cfr/40/703.1.md)
- [§703.3. Definitions.](/cfr/40/703.3.md)
- [§703.5. Requirements for asserting and maintaining confidentiality claims.](/cfr/40/703.5.md)
- [§703.7. EPA review of confidentiality claims under TSCA section 14(g).](/cfr/40/703.7.md)
- [§703.8. EPA review of confidentiality claims under TSCA section 14(f).](/cfr/40/703.8.md)