to open the markets of trading partners of the United States and encourage participation in negotiations to liberalize trade in goods on a fair and reciprocal basis, including the authority to adjust tariff rates to reciprocal levels. 3. Authority to take certain actions relating to reciprocal trade (a) In general The President may take one or more of the actions specified in subsection (b) if the President determines that— (1) the rate of duty imposed by a foreign country with respect to a particular good, when imported from the United States, is significantly higher than the rate of duty imposed by the United States with respect to that good, when imported from that country