How much balance should postal savings card (debit card) keep without deduction?

Postal savings card stipulates that if the balance is less than 100 yuan, a small account management fee of three yuan will be deducted every quarter.

Supplement: June 2005 1, 2065438, individual users can cancel the small account management fee of bank cards.

The Measures for the Administration of Service Prices of Commercial Banks issued by the China Banking Regulatory Commission and the National Development and Reform Commission were formally implemented. This time, the bank reduced some fees for debit cards (excluding credit cards), including annual fees, cash withdrawal fees, SMS notification fees, transfer and remittance fees, and small account management fees.