The WTO FAQsheet (3) 
(http://faculty.oxy.edu/whitney/classes/ec311/handouts/iib_wto_faq3.htm)
(source: WTO traning package http://www.wto.org/english/thewto_e/whatis_e/eol/e/default.htm)

Part 4: WTO: Additional information:

Overview > UR > A Summary > Rules on NTMs
	Technical regulations and standards should "not create..."
	Sanitary and phytosanitary measures to protect human, animal or plant life must...
	(1) "be based on..."
	(2) "not discriminate between..."
	(3) "not constitute a..."
	What four matters are covered by agreements on customs and trade administration?
	(1)
	(2)
	(3)
	(4)

Overview > UR > A Summary > Services
	What are the four modes of supply of services?
	(1)
	(2)
	(3)
	(4)