Yes. Even If you were not physically present working in New Jersey (NJ) but you have income from NJ sources, then you must file the NJ nonresident return. You must file your federal and Connecticut (CT) resident return.
The credit for taxes paid to another state on the same income is used on your resident state because they do not want you to pay taxes twice on the same income. As the resident state all worldwide income must be included.
The credit for tax paid to another state on the same income will be the lesser of:
- the tax liability actually charged by the nonresident state, OR
- the tax liability that would have been charged by your resident state
@Stock Investing
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