Dear «Title» «LastName»:
This will serve as a final notice that your safe deposit box fee of $«amountdue» is due and payable immediately.
If the payment is not received within 30 days of this letter, then, with no further notice to you, the box will be forced opened and the contents disposed of in accordance to RCW 22.28.040. You will be responsible for all expenses incurred in the opening of the box, changing its locks and keys.
Sincerely,
_________________________
No, I didn't lose my mind. It got scared and ran away.