The entity legal basis of 337 investigations was mainly the rule of 337th of US Tax laws in 1930.The procedure legal basis was mainly US Administrative Procedural Law and the ITC Practice and procedure Rule.

• “337调查”的实体法律依据主要是美国《1930年关税法》第337节规定,程序法律依据主要是美国《行政程序法》和《ITC实务和程序规则》。