A bill to amend the Harmonized Tariff Schedule of the United states to eliminate the duty on certain steam or other vapor generating boilers used in nuclear facilities.

Amends the Harmonized Tariff Schedule of the United States to grant duty-free treatment to certain steam or other vapor generating boilers used in nuclear facilities. Provides a duty for certain other steam or vapor generating boilers. Provides for the liquidation or reliquidation (refund) of duty on such boilers used in nuclear facilities that are entered or withdrawn from warehouse for consumption during a specified period of time.