Stipend in NJ, but live in NYC - state taxes?
I am a graduate student receiving a stipend in New Jersey. The stipend consists of a fellowship that is untaxed and a ”research assistant” portion that is federally and state taxed. I understand how to pay taxes for NJ: I need to pay federal income tax on the fellowship portion, and federal and state tax for the research assistant portion. However, the complication comes from living in NYC. I believe I am legally considered a NY resident because my domicile is there. Do I pay state taxes in NY for the fellowship even though it comes from NJ? Do I need to pay NY state taxes for the research assistant portion as well? Does either portion of the stipend qualify for the nonresident return for NJ (Form NJ-1040NR) and a resident return for NY (Form IT-201) to avoid double taxation?