I know it's a bit late, but . . . Agree - JL, 2 comments (covered by Dorothy)
The customer is the only one who can "withdraw" the application for consideration (not the bank, and the customer can do it only before the lender makes a decision), and
Since the customer made the decision, the lender is not taking any adverse action (customer is instructing the bank), and no adverse action is needed. In fact, if one was sent, it would confuse things.
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Integrity. With it, nothing else matters. Without it, nothing else matters.