It is not a tightrope that the bank wants to fall off. It being a commercial loan has nothing to do with it.
1024.14 (e) Agreement or understanding. An agreement or understanding for the referral of business incident to or part of a settlement service need not be written or verbalized but may be established by a practice, pattern or course of conduct. When a thing of value is received repeatedly and is connected in any way with the volume or value of the business referred, the receipt of the thing of value is evidence that it is made pursuant to an agreement or understanding for the referral of business.