1. Short title This Act may be cited as the Mapping America’s Pharmaceutical Supply Act or the MAPS Act . 2. Essential medicines list update (a) In general The Secretary of Health and Human Services (in this section referred to as the Secretary ) shall establish and maintain a list of essential medicines. (b) Criteria The list under subsection (a) shall consist of drugs and active pharmaceutical ingredients that— (1) are reasonably likely to be required to respond to a public health emergency or to a chemical, biological, radiological, or nuclear threat; or (2) the shortage of which would pose a significant threat to the United States health care system or at-risk populations. (c) Selection The Secretary shall select drugs and active pharmaceutical ingredients for inclusion on the list under subsection (a)— (1) based on the criteria specified in subsection (b); and (2) from the list of essential medicines, medical countermeasures, and critical inputs developed by the Food and Drug Administration in response to Executive Order 13944 (85 Fed. Reg. 49929) and other relevant assessments or lists. (d) Process (1) In general Before finalizing the list under subsection (a) or any update to such list, the Secretary shall— (A) publish a proposed list or update, as applicable; and (B) provide an opportunity for public comment on the proposed list or update. (2) Initial list The Secretary shall— (A) publish the proposed initial list under subsection (a) not later than 6 months after the date of enactment of this Act