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Thanks for your reply.  My problem is, I am not sure where I enter the "Reset Market Value" upon the date of my spouse died.  I see the column, "increased value" . Is this the place to enter the differenes between Purchase price and Market Value ?  I read it will be reset to step up value upon my spouse death.   I read some TurboTax expert was suggesting to another similar Q & A in 2023, The answer was that the base of reset value will be Purchease price + Market Value upon the date of death = New Oveall Basis.  ( I found this at xxxxwas not able to send this lik by Turbotax   )   

My another question is I recieved " Substitute of 1099-S from the Title company.  Why does it say Substitute and what does it mean?  Is this the official 1099-S?

Thank you,