; (2) in subsection (e), in the matter preceding paragraph (1), by striking may and inserting shall ; (3) in subsection (j), by striking may and inserting shall ; and (4) by adding at the end the following new subsection: (k) Requirements for accepting risk-Based consensus safety standards (1) Cost-benefit analysis The Administrator shall not accept a risk-based consensus safety standard under subsection (a)(1) unless the Administrator has first conducted a cost-benefit analysis and certified that the benefit of the safety standard substantially outweighs the costs to the manufacturer and consumer. (2) Must be essential The Administrator shall not accept a risk-based consensus safety standard under subsection (a)(1) unless the Administrator determines that the safety standard is essential for small unmanned aircraft systems to operate safely in the UTM. . 11. Rules of construction (a) In general Subject to subsection (b), nothing in this Act may be construed to— (1) diminish or expand the preemptive effect of the authority of the Federal Aviation Administration with respect to manned aviation; or (2) affect the civil or criminal jurisdiction of— (A) any Indian Tribe relative to any State or local government; or (B) any State or local government relative to any Indian Tribe. (b) Enforcement actions Nothing in subsection (a) may be construed to limit the authority of the Administrator to pursue enforcement actions against persons operating civil unmanned aircraft systems who endanger the safety of the navigable airspace, airport operations, air navigation facilities, air traffic control systems, or other components of the national airspace system that facilitate the safe and efficient operation of civil, commercial, or military aircraft within the United States.