The difference between a tax and a standard is here
essential. The obligation to declare the content
The carbon footprint of an imported good does not increase its value.
The flow rate of carbon points, corresponding to this
content, has only the effect of making it equal
competitive conditions between national suppliers and
foreign suppliers, which is the basis of
international free trade agreements. If it were a
tax, the system would not be compatible with the rules
current WTO rules and would therefore require negotiation
international (of uncertain duration and results).
On the contrary, the carbon content display standard is
WTO compatible.