Yes, if your child is a disabled adult, he/she is a qualifying child. The child must have a valid Social Security number and:
ok on my return it says I can claim the eic for my nephew but he's not my dependent because he did provide his own support. should he still file a returnsince he made more than $4300? he's under the age of 25 so he doesn’t qualify for earned income credit & i'm not claiming as a dependent so it wouldn’t be double dipping the eic!
Yes. Your nephew should file his own tax return, even if he might not meet the qualifications to file.
There are two reasons he should file a return this year: