“According to the Department of Health and Human Services, foreign diplomats holding ‘A’ or ‘G’ visas are eligible to participate in an array of medical programs administered by the federal government, including participation in Health Insurance Marketplaces governed by the Affordable Care Act (ACA),” wrote chairmen Ed Royce and Dave Camp in a letter to to IRS Commissioner John Koskinen.

“The Secretary of Health and Human Services has informed the Committee on Foreign Affairs that, if they meet basic ACA requirements, ‘a foreign diplomat could satisfy the statutory criteria to be eligible for a premium tax credit and cost-sharing reductions.”

Several key pieces of information remain to be discovered: how many diplomats have received these subsidies, if any; and how much this has cost the American government. To this end, the chairmen of the two committees are asking (PDF) the IRS for answers.