#Internal_Revenue_Service__IRS  the bureau of the Treasury Department responsible for tax collections
  supertype:  government_agency__agency__federal_agency__federalagency__bureau__office__authority  an administrative unit of government; "the Central Intelligence Agency"; "the Census Bureau"; "Office of Management and Budget"; "Tennessee Valley Authority"
  part of:  Department_of_the_Treasury__Treasury_Department__Treasury  the federal department that collects revenue and administers federal finances; the Treasury Department was created in 1789

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