if you are self-employed and have self-employment income you are paying self-employment taxes - schedule 1040-SE. the act allowed deferral of some of the SE tax you owed for 2020. 50% of the deferral is due on or before 12/31/2021 the balance by 12/31/202. for the total deferral look at schedule 3 line 13e or the SE schedule line 26. it may be that Turbotax did an extremely poor job of explaining what you were doing when it ask about your SE income - enter the portion of line 3 that can be attributed to March 27, 2020, through December 31, 2020. that's the section referred to.
