CFR › Title 32 › Part 175Part 175 — Indemnification or Defense, or Providing Notice to the Department of Defense, Relating to a Third-Party Environmental Claim§ 175.1— Purpose.§ 175.2— Applicability.§ 175.3— Definitions.§ 175.4— Responsibilities.§ 175.5— Notice to DoD relating to a third-party claim.§ 175.6— Filing a request for indemnification or defense.