A concrete way to ask about an unexpected service fee

Begin with the statement entry: the fee name, amount and posting date. Then ask which account condition triggered it and which period the bank measured. A representative can investigate a particular charge more easily than a general claim that the account was supposed to be free.

Compare the explanation with the disclosure you saved. If the waiver depends on a deposit or balance, ask how the bank defines that condition. Do not assume that a similar-looking transaction qualified without checking the wording.

If you believe the charge was an error, explain why and identify the supporting record. If it was charged correctly, ask whether a different account better fits your activity. A one-time adjustment, if available, does not change the terms of future months.

Keep a brief record of the answer and any promised action. On the next statement, check whether the adjustment or account change occurred. This approach turns a frustrating surprise into a specific question with a result you can verify, while avoiding claims that every bank must waive every fee.