When you enter the detention center, you will have no freedom, so you are not allowed to use your bank card. To unlock the bank card password, the notary can only go to the detention center for full authorization notarization, and then let the notary client go to the bank with the notarial certificate to unlock it.

you can set related repayment, or ask your family and friends to help you repay. When a person is in a detention center, he may authorize others to repay the credit card on his behalf. In the case of being sentenced, the credit card of the prisoner can not be used normally, and the credit card cancellation procedures should be handled. If it is inconvenient for a prisoner to go through the formalities of canceling his account, others may handle it on his behalf. The agent must hold the power of attorney written by the principal (himself) and bring the original valid identity certificate to handle the account cancellation business. Pay off the bill before closing the account.

detention refers to restricting the detention of the object, but detention does not necessarily require a court order, and the police also have the right to detain, but the total length of detention allowed varies from country to country, and some countries can even detain the object indefinitely.