Protection against United Nations Taxation Act of 2006, the PUNT Act of 2006, or the Helms-Biden Reauthorization Act of 2006 - Requires the withholding of 20% of U.S. contributions to the regular budget of the United Nations (U.N.) and other applicable international organizations until the President certifies that neither the United Nations (or U.N. agencies) nor any other international organization has authority under U.S. law to impose, or has imposed or proposed, taxes or fees on the U.S. government, states, or U.S. corporations or nationals.
States that such provision shall not apply to: (1) fees for publications or other fees that are not tantamount to a tax on U.S. citizens; (2) the World Intellectual Property Organization; or (3) staff assessment costs of the United Nations and its agencies.