Unfortunately, when the International Criminal Court was being created, its drafters didn't think too much about the acronym, which is widely used in other contexts. There is a product on the market known as 'ICC Spray', available by internet: http://www.cookingconcepts.com/PDF/Spray_ICC.pdf. Dov Jacobs says it is a'nice metaphor of international justice, turning it into a "soft, light cloud"'
See also, the International Cricket Council: http://icc-cricket.yahoo.com/ and the International Chamber of Commerce: http://www.iccwbo.org/
Thanks to Dov Jacobs.