Can Not File NJ return because I have pass through BAIT.

[Retired CPA]

That explanation sounds right. Somewhere along the line I read that the IRS is afraid that individual taxpayers will want to attach lots of documents that aren't needed (like receipts for donations, etc.). 

We'll just have to live with it. I believe the NJ BAIT credit will work without attaching the PTE K-1, but I'm afraid to try. It just feels better to give NJ the proof up front.