Section 636.209 - What items must be included in a phase-two solicitation?(a) You must include the requirements for technical proposals and price proposals in the phase-two solicitation. All factors and significant subfactors that will affect contract award and their relative importance must be stated clearly in the solicitation. Use your own procedures for the solicitation as long as it complies the requirements of this part.(b)(1) At your discretion, you may allow proposers to submit alternative technical concepts (ATCs) in their proposals if:(i) The ATCs:(A) Provide an equal or better solution; and(B) Do not conflict with criteria agreed upon in the environmental decisionmaking process; and(ii) The RFP document clearly describes your:(A) Requirements for ATC content, submission, and review;(B) Procedures for confidential meetings (if used); and(C) Methods for evaluating ATCs in the proposal review process.(2) You must maintain the confidentiality of ATCs, except to the extent that disclosure is necessary to maintain compliance with Federal or State permitting and other legal requirements necessary for the delivery of the project. When disclosure is necessary, you must revise the RFP documents by releasing the minimal amount of information necessary to ensure:(i) Compliance with Federal or State permitting and other legal requirements; and(ii) All proposers are aware of the revised RFP requirements. 67 FR 75926 , Dec. 10, 2002, as amended at 79 FR 8266 , Feb. 12, 2014