Back stairs.If you are talking about making a 2+1 into a legal 3, the towns are going to tell you only the above two will qualify.

And to your earlier point, the response has been taking the victim stance instead of just explaining the business model and why he uses a different name on BP than FB, FL legal records, etc. 

I am not going to say there is a best lending model, but brokers legally can not be paid as much as IMB's, and I tend to be cheaper in more situation than not when comparing a loan estimate from an actual lender. 

Since the lease was with both then you need to make the check out to both, to do otherwise would be making a legal determination which is what the domestic court is for, and where they can take their issue to resolve. 

Is there any legal guidance suggesting I can or cannot do this?

This should not be construed as tax, legal or financial advice.

You will find many recent posts from investors who have lost all of their syndication investment, and then talk about bringing legal action against the syndicator.

Legally speaking, if you have agreed to an installment sale, I'm not sure if the stepped-up basis is applicable.

At which point am I legally allowed to relist the property for rent again?

Here is a reference that explains:https://www.nolo.com/legal-encyclopedia/intestate-succession...2.