; and (B) not from accidental or incidental causes. (j) Authorization of appropriations There are authorized to be appropriated such sums as may be necessary to carry out this section for fiscal years 2021 through 2024. 504. Indian Health Service study on maternal mortality (a) In general The Director of the Indian Health Service (referred to in this section as the Director ) shall, in coordination with the individuals described in subsection (b)(1)— (1) not later than 90 days after the date of enactment of this Act, offer to enter into a contract with an independent research organization or Tribal epidemiology center established under section 214 of the Indian Health Care Improvement Act ( 25 U.S.C. 1621m ) to conduct a comprehensive study on maternal mortality and severe maternal morbidity in the populations of American Indian and Alaska Native women; and (2) not later than 3 years after the date of enactment of this Act, submit to Congress a report describing the results of that study that contains recommendations for policies and practices that can be adopted to improve maternal health outcomes for those women. (b) Participating entities (1) In general The individuals referred to in subsection (a) are 12 individuals, selected by the Director from among individuals nominated by Indian tribes, tribal organizations, and urban Indian organizations (as those terms are defined in section 4 of the Indian Health Care Improvement Act ( 25 U.S.C. 1603 )). (2) Requirement In selecting individuals under paragraph (1), the Director shall ensure that each of the 12 service areas of the Indian Health Service is represented. (c) Contents of study The study conducted pursuant to subsection (a) shall— (1) examine the causes of maternal mortality and severe maternal morbidity that are unique to American Indian and Alaska Native women