You can use the passbook summary normally by posting the account. Because passbook summary refers to the time passbook you use, you don't want a passbook, but you want a certificate of deposit, so the bank staff transfers the money in your passbook and saves it as a certificate of deposit. The certificate of deposit can also be converted into a passbook, and the summary displayed is that it can be used normally after being linked in. Therefore, the passbook summary can be used normally by hanging it.