It's easy - you just have to delete the old info before you add the new info. Sign in to your Ticketmaster account and follow these simple steps:

1. Click Payment Options under Account Settings
2. Click the Delete button under Selling Tickets
3. Click the Add Debit Card/Bank Account button under Selling Tickets
4. Choose Checking or Savings
5. Enter your new account info
6. Click Submit 

Once your updated account info is verified you'll get paid in 7-10 business days.