Section 923.570-2 - Solicitation provision and contract clause(a) The contracting officer shall insert the provision at 970.5223-3, Agreement Regarding Workplace Substance Abuse Programs at DOE Sites, in solicitations where the work to be performed by the contractor will occur on sites owned or controlled by DOE and operated under the authority of the Atomic Energy Act of 1954, as amended, as specified in 923.570-1, Applicability.(b) The contracting officer shall insert the clause at 970.5223-4, Workplace Substance Abuse Programs at DOE Sites, in contracts where the work to be performed by the contractor will occur on sites owned or controlled by DOE and operated under the authority of the Atomic Energy Act of 1954, as amended, as specified in 923.570-1, Applicability.57 FR 32676, July 22, 1992, as amended at 62 FR 42074, Aug. 5, 1997; 65 FR 81007, Dec. 22, 2000; 74 FR 36365, July 22, 2009