; or (2) in order to protect properly classified national security information, a charter may be submitted to the Director, appropriate congressional committees, including the relevant authorizing committee in the House of Representatives and the Senate, and the relevant agency Inspector General in lieu of the publication requirement of this subsection. (e) Exemptions A Federal artificial intelligence system is exempt from the requirements of this section if the system is used— (1) solely for the purpose of research or development, except that the purposes described and guidance promulgated under this subchapter should inform any such research, development, testing, or evaluation directed at future applications of Federal artificial intelligence systems; or (2) in a national security system (as defined in this subchapter), in whole or in part, if the agency maintains a complete and regularly updated nonpublic version of each AI governance charter in accordance with subsections (a) and (b) and the guidance required by section 3593(5). 3596. IA Governance Charter Inventory The Administrator of General Services shall maintain a single, public online interface for centrally cataloging agency AI governance charters which shall be known as the Federal AI System Inventory . The Administrator and the Director shall— (1) ensure that each agency, as appropriate, submits AI governance charters for publication on the interface, in a publicly accessible machine-readable and open format to facilitate searchability and bulk download of the inventory