When attempting to classify a product and determine its tariff rate under the Harmonized Tariff Schedule of the U.S. (HSTUS), the rates of duty under the "General" column apply to which of the following:

Question 40 options:

a)	They apply to WTO members unless a different rate of duty is allowed under separate US legal authority
b)	They apply to non-WTO members that have engaged in human rights violations or other violations of universal international law
c)	They only apply to North Korea or Cuba
d)	They apply to all WTO members