Solved
So then why can't we claim my mother in law as a dependantand get credit for it, if we take care of her 90% of the time. She has no other income ONLY her social security monthly. She owns no properties or vehicles, NOTHING.
You don't enter her SSA-1099 or her income on your return. It would only go on her return if she is required to file one. If that is all she has she doesn't need to file and nobody reports it. Is she married? If she has more than $4,050 of other income (not including the SSA-1099) you can not claim her.
If she files a return she has to check the box that says she can be claimed on someone else's return.
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