i have a Resolve your negative balance , and i have a bank account and also mastercard attached to paypal account , but both are 0$ , what happenign if i didnt pay
Depending on what you owe them, they will firstly try and contact you on any telephone numbers listed on your account and/or pass your account to a debt collection company.
I'm sure they either charge your credit card or take money off your bank account if you are going into the negative.