Section 216.504 - Indefinite-quantity contracts(c)Multiple award preference - (1)Planning the acquisition. (ii)(D)(1) The senior procurement executive has the authority to make the determination authorized in FAR 16.504(c)(1)(ii)(D)(1).(i) In accordance with 10 U.S.C. 3403(d)(3) , when making the determination at FAR 16.504(c)(1)(ii)(D)(1)(i), the senior procurement executive shall determine that the task or delivery orders expected under the contract are so integrally related that only a single source can "efficiently perform the work," instead of "reasonably perform the work" as required by the FAR.(2) The congressional notification requirement at FAR 16.504(c)(1)(ii)(D)(2) does not apply to DoD.(3)(i) In accordance with 10 U.S.C. 3403(d)(3) , the determination at FAR 16.504(c)(1)(ii)(D) is not required if a justification has been executed, in accordance with FAR subpart 6.3 and subpart 206.3.84 FR 12139, Apr. 1, 2019, as amended at 85 FR 60922, Sept. 29, 2020; 87 FR 76992, Dec. 16, 2022 83 FR 65560, 12/21/2018; 84 FR 12139, 4/1/2019; as amended at 85 FR 60922, 9/29/2020; 87 FR 76992, 12/16/2022