go to the office.

1. Go to the official website of Qingdao One Code Link or the office of relevant service organizations to learn about the refund policy and specific operation procedures.

2. according to the requirements of the refund policy, you need to pay a certain handling fee or meet certain conditions before you can get a refund.

3. Submit a refund application and wait for processing. The refund application will be reviewed and processed within a certain period of time.

4. Once the refund application is approved, the balance of One Code Pass will be returned to the designated account or refunded in other ways.