; and (ii) shall be maintained, whether electronically or otherwise, at each registered and designated location of the agency where the controlled substances involved are received, administered, or otherwise disposed of. (10) Other requirements A registered emergency medical services agency, under the supervision of a medical director, shall be responsible for ensuring that— (A) all emergency medical services professionals who administer controlled substances using the agency's registration act in accordance with the requirements of this subsection; (B) the recordkeeping requirements of paragraph (9) are met with respect to a registered location and each designated location of the agency; (C) the applicable physical security requirements established by regulation of the Attorney General are complied with wherever controlled substances are stored by the agency in accordance with paragraph (6); and (D) the agency maintains, at a registered location of the agency, a record of the standing orders issued or adopted in accordance with paragraph (9). (11) Regulations The Attorney General may issue regulations— (A) specifying, with regard to delivery of controlled substances under paragraph (5)— (i) the types of locations that may be designated under such paragraph; and (ii) the manner in which a notification under paragraph (5)(B) must be made; (B) specifying, with regard to the storage of controlled substances under paragraph (6), the manner in which such substances must be stored at registered and designated locations, including in emergency medical service vehicles; and (C) addressing the ability of hospitals, registered locations, and designated locations to deliver controlled substances to each other in the event of— (i) shortages of such substances; (ii) a public health emergency