(September 25, 2023, 3:18 PM EDT) -- WASHINGTON, D.C. — In two petitions for a writ of certiorari presenting the same question, the secretary of the U.S. Department of Health and Human Services asks the U.S. Supreme Court to consider whether the Indian Self-Determination and Education Assistance Act (ISDA) requires the Indian Health Service (IHS) to pay contract support costs for expenditures of income collected by Indian tribes from third parties under self-determination contracts....