in negotiations requirements. Sec. 814. Contract authority for advanced development of initial or additional prototype units. Sec. 815. Treatment of independent research and development costs on certain contracts. Sec. 816. Non-traditional contractor definition. Sec. 817. Repeal of domestic source restriction related to wearable electronics. Sec. 818. Use of outcome-based and performance-based requirements for services contracts. Sec. 819. Pilot program for longer term multiyear service contracts. Sec. 820. Identification of commercial services. Sec. 821. Government Accountability Office bid protest reforms. Sec. 822. Enhanced post-award debriefing rights. Sec. 823. Limitation on unilateral definitization. Sec. 824. Restriction on use of reverse auctions and lowest price technically acceptable contracting methods for safety equipment. Sec. 825. Use of lowest price technically acceptable source selection process. Sec. 826. Middle tier of acquisition for rapid prototype and rapid fielding. Sec. 827. Elimination of cost underruns as factor in calculation of penalties for cost overruns. Sec. 828. Contract closeout authority. Sec. 829. Service contracts of the Department of Defense. Sec. 830. Department of Defense contractor workplace safety and accountability. Sec. 831. Department of Defense promotion of contractor compliance with existing law. Subtitle C—Provisions relating to major defense acquisition programs Sec. 835. Revisions to definition of major defense acquisition program. Sec. 836. Prohibition on use of lowest price technically acceptable source selection process for major defense acquisition programs. Subtitle D—Provisions related to acquisition workforce Sec. 841. Training in commercial items procurement. Sec. 842. Modification of definition of acquisition workforce to include personnel engaged in the acquisition or development of cybersecurity systems. Sec. 843. Training and support for programs pursuing agile acquisition methods. Sec. 844. Credits to Department of Defense Acquisition Workforce