1. Go to iON and login your account
2. Click "Invoices"
3. Or, Go to "My Account" then click "My invoices"
4. Click unpaid invoice
5. Use the account credit to pay the invoice, then click "Apply Credit"
1. Go to iON and login your account
2. Click "Invoices"
3. Or, Go to "My Account" then click "My invoices"
4. Click unpaid invoice
5. Use the account credit to pay the invoice, then click "Apply Credit"