But one thing I know is that even though you may get the visa for all countries from World Government, Chengdu US Consular, James Boughner will pay no respect to you but he may rather cross it off with his ball point pen without using the US government seal. Then you will have to give answer to your government the reason why you messed up your passport without the government notice. See the result over here how http://www.ciuac.org/ecnews.html