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During the year 2018 my Mother In Law passed away and we were actually living with her to help her.  We were paying more the half of her expense during 2018 and I claimed on our taxes and on her final tax in 2018. The tax forms were marked that way and marked as deceased.  Week are still paying some of her bills at this time due to the lack of insurance,

I went to file our 2018  taxes and it rejected them because her Social Security number is frozen.  How do I file our taxes now.