51.16—Proprietary information.
        
        (a) 
         Proprietary information, such as trade secrets or privileged or confidential commercial or financial information, will be treated in accordance with the procedures provided in  § 2.390 of this chapter.
    
    
        
        (b) 
         Any proprietary information which a person seeks to have withheld from public disclosure shall be submitted in accordance with  § 2.390 of this chapter. When submitted, the proprietary information should be clearly identified and accompanied by a request, containing detailed reasons and justifications, that the proprietary information be withheld from public disclosure. A non-proprietary summary describing the general content of the proprietary information should also be provided.