1. First, before applying for a work certificate, understand the requirements of the credit card issuer for work certificates.

2. Secondly, communicate with the superior supervisor and explain that support is needed to apply for credit card work certificate. Complete the employment verification form provided by your credit card issuer with accurate personal information and employment details. Make sure all information is true and accurate. Submit the completed work certification form to the superior supervisor for signature, and stamp the company's official seal on the certification.

3. Finally, submit the signed and stamped work certificate to the credit card issuer.