the Atomic Energy Act of 1954 ( 42 U.S.C. 2014(y) ). (c) Information on State and local assets (1) Voluntary provision of information A State or local government may provide to the Administrator for inclusion in the inventory established under subsection (a), in a manner and format to be determined by the Administrator, information with respect to a State or local asset that would be a covered asset if under the custody and control of an Executive agency. (2) Inclusion of information The Administrator shall include in such inventory any information provided by a State or local government in accordance with paragraph (1) in the same manner as information provided by an Executive agency under subsection (b). (3) Provision of updated information In the case of a change in any of the information provided to the Administrator under paragraph (1) with respect to a State or local asset, the State or local government shall provide updated information to the Administrator not later than 30 days after such change. If a State or local government does not comply with the preceding sentence, the Administrator shall deny the State or local government access to the inventory established under subsection (a). (d) Updating of Inventory After the establishment of the inventory under subsection (a), the Administrator shall include in the inventory information provided under subsection (b) or (c) not later than the date that is 7 days after the Administrator receives such information. The information with respect to each covered asset or State or local asset in the inventory shall include the most recent date on which such information was added or updated. (e) Format of location information The information in the inventory established under subsection (a) about the location of a covered asset or State or local asset shall be in Geographic Information System format or another format that the Administrator considers appropriate. (f) Information security The Administrator shall adopt measures to prevent unauthorized access to the