The imported goods prices appearing in the BLS index exclude tariffs. Following are relevant excerpts from BLS’s FAQ page:
What prices are used to calculate the Import/Export Price Indexes?
Answer: The majority of prices used in calculating import price indexes are quoted FOB (Free On Board) Foreign Port * * *; duty is not included. * * *.
Do Import/Export Price Indexes include import duties?
Answer: An import duty is a tax or tariff collected on imports, typically by a country’s Customs agency. U.S import duties would be placed on imports coming into the United States whereas other countries’ import duties would be placed on exports from the United States.
The prices for the items used to calculate Import/Export Price Indexes exclude duties. * * *.
https://www.bls.gov/mxp/ippfaq.htm
Edited by pickle at 12:57:31 on 06/16/19