What happens when an authorized payment is returned for insufficient or uncollected funds by my bank?

If a payment is funded through a funding source that is a bank account, and that bank account rejects the payment because of insufficient (NSF) or uncollected funds, PayPal at its discretion may attempt to resend or represent the entry up to two (2) additional times. If the payment transaction has failed for insufficient or uncollected funds, representment of a transaction may occur even if you have attempted to add funds to your PayPal account or if the recipient has initiated a return of the payment to your account.