I used TurboTax Home and Business in 2016. I had worked for three different companies, and as a result overpaid my social security taxes by $3501. TurboTax entered the overpayment onto the 1040 form in the section "Payments" on line 71 labeled "Excess social security and tier 1 RRTA tax withheld" and added it to the federal income tax withheld from Forms W-2 and 1099 onto line 74. Thus, I was credited the overpayment as if it were income tax withheld.
