credit cards are blacklisted and can sue each other. The blacklisting of credit cards does not affect the right to sue, and it is also useful to sue again if you are already an old black customer.

materials required for prosecution:

1. A complaint, also known as an indictment, is necessary to bring a lawsuit to the court to explain the case and the legal documents advocated by the parties;

2. Evidence materials, including a copy of the ID card;

3. The plaintiff's ID card and the materials to prove the defendant vary according to the specific case;

4. If another person is entrusted with litigation, a clearly authorized power of attorney and a copy of the trustee's ID card shall be submitted, and the original shall be provided for inspection;

5. If a lawyer is entrusted for litigation, a clearly authorized power of attorney and a copy of the certificate, letter and lawyer's card of the law firm accepting the entrustment shall be submitted;

6. In case of legal person litigation, a copy of the business license and other materials shall be submitted separately.

Legal basis:

Article 122 of the Civil Procedure Law of the People's Republic of China

A lawsuit must meet the following conditions:

(1) The plaintiff is a citizen, legal person and other organization that has a direct interest in the case;

(2) There is a clear defendant;

(3) There are specific claims, facts and reasons;

(4) it is within the scope of civil litigation accepted by the people's court and under the jurisdiction of the people's court against which the lawsuit is filed.