DavidD66
Expert Alumni

Get your taxes done using TurboTax

TurboTax just makes the calculations using the information that was entered.  I suggest you, or the taxpayer, check to make sure that all information was input accurately.  The advance payment of the Premium Tax Credit (PTC) is not just based on projected income.  A big factor in determining the PTC is the family size.  If the taxpayer indicated that their household would be larger than it actually was, that would have significant negative impact.  

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