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United States Wins WTO “Zeroing” Dispute with Mexico

December 20, 2007


Washington, D.C. - U.S. Trade Representative Susan C. Schwab announced today that a World Trade Organization (WTO) panel has once again found in favor of the United States in a case involving the "zeroing" method for calculating ani-dumping duties.  This case concerned a challenge by Mexico on the
use of zeroing by the U.S. Department of Commerce.

“This is further proof of what the United States
has been saying all along – that WTO rules do not prohibit ‘zeroing’ and that
WTO Appellate Body reports to the contrary have overreached,” said Ambassador
Schwab.  “We commend the WTO panel for conducting a very thorough analysis
and applying the WTO agreements as written.”

This marks the third time a WTO panel has found that
“zeroing” in assessment proceedings is not prohibited by the WTO Antidumping
Agreement.  It is the second time a WTO panel has considered and rejected
Appellate Body findings to the contrary.  This unprecedented situation
reflects that those Appellate Body findings are not settled law. 

In its report, the panel stated that it was “troubled by
the fact that the principal basis of the Appellate Body’s reasoning in the
zeroing cases seems to be premised on an interpretation that does not have a
solid textual basis in the relevant treaty provisions.”

This underscores the U.S. view that
WTO Members need to address this issue in the Doha Round Rules negotiations and
adopt clear, precise rules in the Antidumping Agreement expressly permitting the
use of zeroing.  


When the U.S. Department of Commerce calculates a weighted
average dumping margin for a given company, it typically takes into account
numerous comparisons between sales in the United
States and sales in the home market or
third-country market (or costs in the home market).  It is not uncommon for
the Commerce Department to find that some comparisons reveal dumping (e.g., the
price in the United States is
lower than the home market price), while others reveal no dumping (e.g., the
price in the United
States is higher than the home market
price).  Where a comparison reveals no dumping, Commerce assigns a zero to
that comparison, rather than a negative number equal to the amount by which the
U.S. price exceeds the home market
price.  This practice is commonly referred to as “zeroing.”

In this dispute, Mexico challenged the use of
“zeroing” in both the investigation phase and in assessment proceedings (the
proceedings in which authorities determine the actual amount of antidumping
duties owed).

Like other panels before, this panel found that the use of
“zeroing” in investigations is WTO inconsistent.  As of February 2007,
Commerce is no longer using zeroing in investigations where using weighted
average calculations are performed. 

Mexico has the option of appealing
the report to the WTO Appellate Body. 


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