The amendment denies most favored nation status to certain countries with non-market economy that restricts emigration, which is considered a human rights.
What makes the issue potentially explosive is that China is one of the few remaining non-market economies.
Four high-income oil exporters, 19 industrial market economies and 8 East European non-market economies completed the list of 125 countries.
Income-based classifications of 'developing' and non-market economies are therefore inherently problematic.
The products and services produced within a home are open to the non-market economy at large.
A market economy cannot be created without changing the behaviour of Central and East Europeans who live four decades in a non-market economy.
Eastern Europe has shown that non-market economies with slow growth can pollute the environment more than most.
Thirdly, why is it that you want to treat 'market' and 'non-market' economies equally?
China, whose exports have more than tripled in the last decade, is the only non-market economy that has become a major exporter to the United States.
It also said the currency of a non-market economy would be subject to the provisions of the Act.