Usually, when a credit card displays an invalid card, it means that the credit card in the cardholder's hand cannot be used normally. There are many reasons why a credit card is invalid. Among them, the credit card is not activated, the magnetic stripe of the credit card is worn, and the card or account status is abnormal. These are the reasons why the credit card displays an invalid card. In the event of an accident, all credit cards have a useful life. If the useful life is exceeded, the credit card will also show invalid status.

Credit card application

In most cases, citizens who have full capacity for civil conduct (citizens over 18 years old in mainland China) and have certain direct financial resources can issue cards to Apply for a credit card. Sometimes, legal persons can also be applicants.

Applicants for credit cards can be divided into units and individuals. Applicants should be institutions, enterprises and business units, foreign-funded enterprises and individual industrial and commercial households with independent legal person status in my country. Each unit applying for a credit card can receive a main card and multiple (5-10) supplementary cards as needed. To apply for a credit card, an individual must have a fixed occupation and a stable source of income, and provide a guarantee to the bank. The forms of guarantee include personal guarantee, unit guarantee and personal capital guarantee.

The application method is generally by filling in a credit card application form. The content of the application form generally includes the name of the applicant, basic information, economic status or source of income, guarantor and his/her basic information, etc. And submit certain copies of documents and certificates to the card issuing bank. After the customer fills in the application form truthfully according to the content, the customer must also submit the relevant credit certificate while submitting the completed application form. The application form is accompanied by a credit card use contract. The applicant authorizes the card-issuing bank or relevant departments to investigate its relevant information, and submits a statement of the authenticity of the information, the card-issuing bank's privacy protection policy, etc., and must have the applicant's signature.

Since the card is sent by mail after the credit card application is approved, there is no guarantee that the recipient is the applicant. In order to protect applicants and banks from fraud losses, the credit card has set up a card opening procedure before it is officially launched. Card opening is mainly done by phone or online. The relevant personal information provided during the application is checked. Once the information is met, the card opening process is completed. At this point, the applicant becomes the card holder and can officially start using it after signing on the back of the card. After opening a credit card, you generally need to set up a password for the card.

After accepting a credit card, a credit card merchant or bank must review the validity of the credit card and the identity of the cardholder.

Credit cards are usually only used by the cardholder himself, and lending them to others is generally a violation of the use contract.

Before canceling a credit card, the account balance must be cleared. The entire process of canceling the card must be completed within 45 days after the application is submitted.