Full Name * Email Mobile Phone Number * Do you have an account with Woori Bank?YESNO Account number if (YES) Financial Transaction details (Amount/Transaction Reference, if Any) Date of Event Complaint Description Allow PDF, DOC, DOCX, JPG, JPEG, PNG. Max Size: 5.0MB Send a copy to yourself Notice: A complaint should be less than or equal to 60 days after identifying the problem which has been occurred. In an event where a formal complaint has been lodged to our complaint resolution unit, the case will be managed with a critical review of fact finding and proper resolution. Our complaint handling specialist offers a fair, impartial, and objective investigation of all complaints by making sure to get back to the customer no later than 30 calendar days. The customer will be notified in the event of any delays in resolving the complaint. Your information is kept in confidentiality.