If your bank requires personal guarantees from business owners, you will want to identify the owners early enough in the application process so you can evaluate their individual creditworthiness. If not, you're only looking for an information requirement that you are required to fulfill "at the time a new account is opened." I'll suggest that means any time prior to closing.
In this world you must be oh so smart or oh so pleasant. Well, for years I was smart. I recommend pleasant.