CFR › Title 32 › Part 159Part 159 — Private Security Contractors (PSCs) Operating in Contingency Operations, Humanitarian or Peace Operations, or Other Military Operations or Exercises§ 159.1— Purpose.§ 159.2— Applicability and scope.§ 159.3— Definitions.§ 159.4— Policy.§ 159.5— Responsibilities.§ 159.6— Procedures.