Technically you can so long as one spouse was a FY-resident and the other a FY-NR.
From a process standpoint, however, you'll need to create a new return from that MFJ return and manipulate the existing entries in the new copy to make that kind of a proforma MFS for NJ filing purposes.
You have clicked a link to a site outside of the Intuit Accountants Community. By clicking "Continue", you will leave the community and be taken to that site instead.