A U.S. A New Jersey food importer filed a lawsuit Tuesday challenging President Donald Trump’s power to invoke a Depression-era law to levy a 50% tariff on $20 billion worth of Canadian goods Key points and original sources are listed below.

• A U.S. food importer has filed a lawsuit in the United States Court of International Trade challenging U.S. President Donald Trump's tariffs targeting Canada.S1

• A New Jersey food importer filed a lawsuit Tuesday challenging President Donald Trump’s power to invoke a Depression-era law to levy a 50% tariff on $20 billion worth of Canadian goodsS2