This regulation ensures contracts executed and administered in support of acquisitions by and for the activities are conducted in accordance with existing laws and regulations, and provides related policies and procedures. This regulation is applicable to all classified contracts. Secure environment contracting is necessary to support activities with special security, operations security, or special access needs beyond those normally afforded collaterally classified documents. This regulation establishes policies, procedures, documentation, reporting requirements, and oversight responsibilities in support of contracts that require SEC procedures and emphasizes planning, execution, exceptions, and accountability.