Reports to Congress - Here you can access reports produced by the Office of Tax Policy in response to a Congressional Mandate.
Official Reports by the Office of Tax Policy - Here you can access reports produced by the Office of Tax Policy to promote the understanding of the US Internal Revenue Code.
Official Testimony by the Assistant Secretary for Tax Policy and Deputies - Here you can read testimony before Congress by the Assistant Secretary for Tax Policy and Deputies.
Office of Tax Analysis Working Papers and Technical Papers - Here you can access individual research by OTA staff as well as model documentation.