Encountering the closure of the card store, you can first actively communicate with the merchant to negotiate a refund of the balance of the card. If the merchant refuses to refund, then you can call 12315 consumer hotline, or to the business administration department to reflect. You can also directly to the court.

Legal basis:

The Law of the People's Republic of China on the Protection of Consumers' Rights and Interests

Article 32 The Consumers' Association shall perform the following functions:

(1) Provide consumers with consumer information and consulting services;

(2) Participate in the supervision and inspection of goods and services by the relevant administrative departments;

(3) Reflect, inquire, and make recommendations to the relevant administrative departments on issues relating to the legitimate rights and interests of consumers. (C) on issues related to the legitimate rights and interests of consumers, to the relevant administrative departments to reflect, query, make recommendations;

(D) accept consumer complaints, and investigation of complaints, mediation;

(E) complaints related to the quality of goods and services, can be referred to the appraisal department for appraisal, the appraisal department should be informed of the appraisal conclusion;

(F) on the damage to the legitimate rights and interests of consumers to support damaged consumers to file a lawsuit; (VII) on the harm to consumers' legitimate rights and interests, support for damaged consumers to bring a lawsuit;

(VII) on the damage to the legitimate rights and interests of consumers, through the mass media to be exposed, criticized.

People's governments at all levels shall support the consumer associations to fulfill their functions.

Article 30 The people's courts shall take measures to facilitate consumers to file lawsuits. In line with the "Chinese people's *** and the National Code of Civil Procedure" prosecution conditions of consumer rights and interests of disputes, must be accepted, timely trial.