Actually, I think all that bold text is a "worksheet" Pre-instruction to line 10b.....but only IF you will be using the Std Deduction for line 12. If you are using itemized deductions in line 12, 10b must be left empty.
10a is for some entirely different purposes from entries on Schedule 1
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All of which points to another situation, where working in Forms Mode can get confusing to even experienced users.
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
