1, will go to jail, which is strictly prohibited by the state. In violation of state regulations, some people directly pay cash to credit card holders by means of fictitious transactions, false prices, cash return, etc. If the circumstances are serious, it is suspected of illegal business operation, and the cardholder maliciously overdraws in the above way for the purpose of illegal possession, which is suspected of credit card fraud. Whoever commits credit card fraud in a relatively large amount shall be sentenced to fixed-term imprisonment of not more than five years or criminal detention, and shall also be fined not less than 20,000 yuan but not more than 200,000 yuan.

2. Legal basis: Article 225 of the Criminal Law of People's Republic of China (PRC)

The crime of illegal business operation violates the provisions of the state and commits one of the following illegal business operations, disrupting the market order, and if the circumstances are serious, it shall be sentenced to fixed-term imprisonment of not more than five years or criminal detention, and shall also, or shall only, be fined not less than one time but not more than five times the illegal income; If the circumstances are especially serious, he shall be sentenced to fixed-term imprisonment of not less than five years, and shall also be fined not less than one time but not more than five times for illegal gains or confiscation of property:

(a) operating a franchise or monopoly commodity or other commodities whose operation is restricted by laws and administrative regulations without permission;

(2) buying and selling import and export licenses, import and export certificates of origin and other business licenses or approval documents stipulated by laws and administrative regulations;

(three) without the approval of the relevant competent departments of the state, illegally engaged in securities, futures, insurance business, or illegally engaged in fund payment and settlement business;

(four) other illegal business activities that seriously disrupt the market order.

Second, will you go to jail if you don't repay after the 3000 yuan deadline?

Usually not. For loans overdue's outstanding loan, the first thing he encountered was to be collected. If he refuses to repay after repeated collection, the other party will bring a lawsuit to the court. When the court decides, the borrower will be required to repay. If the borrower fails to execute the court's judgment and fulfill the repayment obligation, the court will enforce it and freeze the property. If the circumstances are serious, he may go to jail.