(a) Agency heads, or their designee, shall ensure that security policies and procedures for which they are responsible are reasonable, effective, and efficient, and that those policies and procedures enable and promote interagency reciprocity.

(b) To the extent reasonable and practical, and consistent with US law, Presidential decree, and bilateral and international obligations of the United States, the security requirements, restrictions, and safeguards applicable to industry shall be equivalent to those applicable within the Executive Branch of government.

(c) Once a facility is authorized approved, certified, or accredited, all government organizations desiring to conduct classified programs at the facility at the same security level shall accept the authorization, approval, certification, or accreditation without change, enhancements, or upgrades.