Discuss the content, relevance, importance, or significance of the documents or instruments being prepared, delivered, or signed with a principal or service provider

If you were instrumental in facilitating that deal you could be liable on many fronts.The learning curve for these deals has gotten a lot longer, it's not as easy as any program or strategy claims on the surface.

I don't know if you can do 10 each, if each are required to sign the mortgage or deed of trust (the security instrument).

There are several instruments like this out there.

Anytime a Mortgagee receives less than the amounts due in full under the terms of the note which results (or is intended) to satisfy the same note and security instrument it is a "Short".

You need to pull a copy of the security instrument and review it.  

You need to be sure you are following every state and federal law to avoid costly legal problems.Of note, if you enter into a contract, this is a binding legal instrument.

Your steps would include look up the property and pull the instruments or names off the instruments.

Usually for real estate, they are coupled with a mortgage instrument, which simply pledges the real estate as security/collateral for the promissory note.

The idea of a "principal" (please use the right word) payment would suggest the instrument is a form of installment contract.