These folks do NOT have to file tax returns. If they are being supported by their adult child, the Social Security income they are receiving does not "count" and keep them from being claimed as dependents. They have no need to file jointly or separately. They should all just continue on as they have been----adult child can claim them as dependents and the older folks do not file tax returns.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
