5315.209 Solicitation Provisions and Contract Clauses
(h) Do not include FAR clause 52.215-8
(S-90) The contracting officer may include a provision substantially the same as the provision at 5352.215-9000
(S-91) The contracting officer may include a provision substantially the same as the provision at 5352.215-9001
(S-92) The contracting officer may not award or modify a contract that includes a special contract requirement commonly referred to as "Tail Up" or "Last Lot Inefficiency," the purpose of which is to recognize costs related to a loss of productivity for the direct labor workforce or increased supplier costs as a production line near nears shutdown, without the express written approval of the DAS(C) or ADAS(C). Requests for approval to use such a special contract requirement shall be submitted under signature of the SCO or SCCO and forwarded to SAF/AQC at safacqk.workflow@pentagon.af.mil for consideration of approval by the DAS(C) or ADAS(C). These requests must be made not less than 60 days prior to release of a solicitation or a proposed contract modification and include a copy of the special contract requirement and any supporting documentation.