Many attorneys and title companies use check writing software that pulls information from the settlement statement. That may account for the times you get a form when it is not required.
If the loan officer is accepting it as a closing statement from the closing attorney, the customer should sign it to accept it as well.
You are right not to take the word of the loan officers. They are in sales, not compliance or documentation. The reason you have a job is to make sure they do their's.
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Just another self-proclaimed expert ...