Home › CFR › Title 40 › Part 70340 CFR Part 703 — Confidentiality Claims§ 703.1— Purpose and applicability.§ 703.3— Definitions.§ 703.5— Requirements for asserting and maintaining confidentiality claims.§ 703.7— EPA review of confidentiality claims under TSCA section 14(g).§ 703.8— EPA review of confidentiality claims under TSCA section 14(f).