Information received from a sponsor by the Department may be available to the public subject to the provision of 5 U.S.C. 552, 18 U.S.C. 1905 and 10 CFR part 1004; provided that:

(a) Subject to the requirements of law, information such as trade secrets, commercial and financial information that a sponsor submits to the Department in writing shall not be disclosed without prior notice to the sponsor in accordance with Department regulations concerning the public disclosure of information. Any submitter asserting that the information is privileged or confidential should appropriately identify and mark such information.

(b) Upon a showing satisfactory to the Program Administrator that any information or portion thereof obtained under this regulation would, if made public, divulge trade secrets or other proprietary information, the Department may not disclose such information.