In connection with any proposed trade agreement under section 2133 of this title or subsection (a) or (b) of section 4202 of this title, the President shall from time to time publish and furnish the International Trade Commission (hereafter in this section referred to as the “Commission”) with lists of articles which may be considered for modification or continuance of United States duties, continuance of United States duty-free or excise treatment, or additional duties. In the case of any article with respect to which consideration may be given to reducing or increasing the rate of duty, the list shall specify the provision of this subchapter under which such consideration may be given.

In connection with any proposed trade agreement under section 4202(b) of this title, the President may from time to time publish and furnish the Commission with lists of nontariff matters which may be considered for modification.

investigate conditions, causes, and effects relating to competition between the foreign industries producing the articles or services in question and the domestic industries producing the like or directly competitive articles or services;

analyze the production, trade, and consumption of each like or directly competitive article or service, taking into consideration employment, profit levels, and use of productive facilities with respect to the domestic industries concerned, and such other economic factors in such industries as it considers relevant, including prices, wages, sales, inventories, patterns of demand, capital investment, obsolescence of equipment, and diversification of production;

describe the probable nature and extent of any significant change in employment, profit levels, and use of productive facilities; the overall impact of such or other possible changes on the competitiveness of relevant domestic industries or sectors; and such other conditions as it deems relevant in the domestic industries or sectors concerned which it believes such modifications would cause; and

make special studies (including studies of real wages paid in foreign supplying countries), whenever deemed to be warranted, of particular proposed modifications affecting United States manufacturing, agriculture, mining, fishing, labor, consumers, services, intellectual property and investment, using to the fullest extent practicable United States Government facilities abroad and appropriate personnel of the United States.