Introduction
Nowadays, the World Trade Organization (WTO)
is one of the most important organizations affecting the
economic and commercial activities in the world. The principles and decision-making trends in this organization
have made it the most influential economic organization
on various aspects of economic activities. The WTO
officially commenced on 1 January 1995 under the
Marrakech Agreement, replacing the General Agreement
on Tariffs and Trade (GATT). It had a total number of 157
member countries by 2012 (separate customs territory),
and 27 governments are still negotiating for accession. On
26 may 2005 Iran joined the WTO as an observer member