Home › CFR › Title 32 › Part 15932 CFR Part 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.