The WTO has created a new webpage dedicated to the issue of quantitative restrictions, measures imposed by governments limiting the quantity or value of goods that can be traded. Such measures may take different forms (quotas, prohibitions, voluntary export restraints, etc.) and must be notified to the WTO under a new procedure.
The new webpage is available on the World Trade Organization website at:
https://www.wto.org/english/news_e/news15_e/mark_11mar15_e.htm