Legal analysis: In principle, there is no latest time to call the police: the standard for filing a case is within three years. When you discover credit card fraud, use this instant alarm: you can immediately and immediately call the credit card customer service center to freeze the credit card, change the credit card password and other corresponding measures to avoid further losses.

Legal basis: Article 196 of the Criminal Law of the People's Republic of China and the People's Republic of China. Whoever commits credit card fraud in any of the following circumstances and the amount is relatively large shall be sentenced to fixed-term imprisonment of not more than five years or Criminal detention and a fine of not less than 20,000 yuan but not more than 200,000 yuan; if the amount is huge or there are other serious circumstances, the person shall be sentenced to fixed-term imprisonment of not less than five years but not more than 10 years and shall also be fined not less than 50,000 yuan but not more than 500,000 yuan; if the amount is particularly huge Or if there are other particularly serious circumstances, he shall be sentenced to fixed-term imprisonment of not less than ten years or life imprisonment, and shall also be fined not less than 50,000 yuan but not more than 500,000 yuan, or his property shall be confiscated:

(1) Using a counterfeit credit card;

(2) Using an expired credit card;

(3) Pretending to use another person’s credit card;

(4) Malicious overdraft. The term "malicious overdraft" as mentioned in the preceding paragraph refers to the cardholder's behavior of overdrafting beyond the prescribed limit or within the prescribed period for the purpose of illegal possession and failing to return the card after being called upon by the card-issuing bank.