48 CFR 9.104-2: 9.104-2 Special standards.

(a) When it is necessary for a particular acquisition or class of acquisitions, the contracting officer shall develop, with the assistance of appropriate specialists, special standards of responsibility. Special standards may be particularly desirable when experience has demonstrated that unusual expertise or specialized facilities are needed for adequate contract performance. The special standards shall be set forth in the solicitation (and so identified) and shall apply to all offerors.

(b) Contracting officers shall award contracts for subsistence only to those prospective contractors that meet the general standards in 9.104-1 and are approved in accordance with agency sanitation standards and procedures.