I am not aware of an updated guide at this time. If you find one, it will be out of date soon. I work closely one vendor and I know they get requests for an update to their guide every time something changes. But with one change after another they have not been comfortable updating their guide yet.
The disclosures needed for a corporate borrower getting a loan secured by residential property will vary depending on the purpose of the loan. Describe the purpose of the loan, then we can continue this conversation.