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Hi, the tuibotax is completed K-3 type in.  I traded a fund of partner (UNG) on stock market. I have a K-1 with box 16 checked. but I can't get K-3 from them. Do I need return some K-3 info? or I don't do it?  I  have  hold the UNG stock shortly, one month in 2021 tax year. I am not long term investor.