19 U.S. Code § 1202. Harmonized Tariff Schedule
The Harmonized Tariff Schedule of the United States is not published in the Code. A current version of the Harmonized Tariff Schedule is maintained and published periodically by the United States International Trade Commission and is available at their website and for sale by the Superintendent of Documents, U.S. Government Publishing Office, Washington, D.C. 20402.
Reference in any law to “Tariff Schedules of the United States”, “the Tariff Schedules”, “such Schedules”, and any other general reference to the old Schedules to be treated as reference to Harmonized Tariff Schedule, see section 3012 of this title.