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Box 16 is checked on my K-1 and I also have an entry on line 21.  My K-3 has 25 different countries listed in column "a" - U.S. Source and there are no entries in columns B, C, D, E or F.   The drop-down column on Turbo Tax for Countries does not list the U.S. as an option.  It was also stated that you could lump all the countries together under U.S. Various, but Turbo Tax does not allow you to enter U.S. Various on the K-3 dropdown menu.  How should I enter my 25 counties under column "a" on my K-1 in Turbo Tax?