Context of Investigations by the United States Tariff Commission. Letter from the Chairman of the United States Tariff Commission, transmitting, in response to Senate Resolution No. 315, a list of articles with respect to which applications have been made prior to July 3, 1930, for investigations under section 336 of the tariff act of 1930. July 8 (calendar day, July 9), 1930. -- Ordered to lie on the table and to be printed.