48 C.F.R. § 1403.101-70
(c) During the evaluation process, each evaluator and advisor is responsible for ensuring that there are no financial or employment interests that conflict or give the appearance of conflicting with his or her duty to evaluate proposals impartially and objectively. Examples of situations that may be prohibited or represent a potential COI include:
(d) Bureaus shall include a notice similar to the following in all correspondence notifying employees of appointments to serve as technical evaluators or advisors, formally called Technical Evaluation Panels (TEP) and/or Source Evaluation Boards (SEB):
You shall not solicit or accept any gift, gratuity, favor, entertainment, loan, or anything of monetary value from a competing contractor involved in any action for which you participate personally and substantially under this delegation of authority. You are also reminded of other conduct prohibitions in FAR 3.104-3, including negotiating with competing contractors for future employment, disclosure of contractor bid or proposal information or source selection information, and post-Government employment restrictions. Such notice shall include an acknowledgement of receipt signed and returned by the employee.