The Form 1040 and Form 1040SR are identical except for the size of the print. All of the lines are the same, and all of the calculations of your tax due or refund are the same. If one or both of you are 65 or older, when you use TurboTax software the return will print out on a Form 1040SR. You do not need to worry one bit that your refund or tax due will be affected by using 1040 or 1040SR.
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