ID card number

基本解釋

ID card read the card number without any authority, easy imitation.
ID卡內(nèi)的卡號(hào)讀取無(wú)任何權(quán)限，易于仿制。
You have to fill in this form with your name, address, ID card number, deposit term and the amount you want to deposit.
那請(qǐng)您在這張表上填上姓名、地址、身份證號(hào)碼、存期和所存金額。
Users must include their ID Card number with the money order or postal note. ID numbers will be used as the PIN number to access the service.
用戶需在匯票或匯款單上注明其身份證號(hào)碼，此號(hào)碼將會(huì)用來(lái)作為他的密碼以獲得通話服務(wù)。

Now this may not seem relevant until you consider that some credit card and other systems authenticate callers by the same last four digits of the card plus the caller ID from their originating phone number.
FORBES: Your Delta Boarding Pass: More Information For Identity Thieves