(a) An IBR normally should be conducted as a post-award activity. A pre-award IBR may be conducted only if-
(1) The AP contains documentation that demonstrates the need and rationale for a pre-award IBR, including an assessment of the impact on the source selection schedule and the expected benefits;
(2) The use of a pre-award IBR is approved in writing by the HCA prior to the issuance of the solicitation;
(3) The source selection plan specifically addresses how the results of a pre-award IBR will be used during source selection, including any weight to be given to it in source evaluation, and that same or similar rationale is clearly set forth in the solicitation; and,
(4) Specific arrangements are made, and budget authority is provided, to compensate all offerors who prepare for or participate in a pre-award IBR; and the solicitation informs prospective offerors of the means for and conditions of such compensation.