22 CFR 130.15: Confidential business information.

(a) Any person who is required to furnish information under this part may identify any information furnished hereunder which the person considers to be confidential business information. No person, including any applicant or supplier, shall publish, divulge, disclose, or make known in any manner, any information so identified by a vendor or other person unless authorized by law or regulation.

(b) For purposes of this section, confidential business information means commercial or financial information which by law is entitled to protection from disclosure. (See, e.g., 5 U.S.C. 552(b) (3) and (4); 18 U.S.C. 1905; 22 U.S.C. 2778(e); Rule 26(c)(7), Federal Rules of Civil Procedure.)