My ex-husband secretly applied for a credit card before, and the contact person filled in my contact information and name, but he didn’t

Only an emergency contact person

The only use is if the other party loses contact if they owe money

If the bank cannot contact the other party, it will call you to ask about the other party. Contact information

Some debt collectors will urge you to go to the other party for repayment

At most, you will be harassed by phone calls without any substantial loss of economic benefits