Accounting of electronic payment transaction accounts

This table shows the accounting for non-electronic payment orders in Billing:

Account Debit or Credit
Accounts Receivable Debit
Sales Credit
Cost of Goods Sold Debit
Inventory Credit

This table shows the accounting for electronic payment orders in Billing:

Account Debit or Credit
EP Account Debit
Sales Credit
Cost of Goods Sold Debit
Inventory Credit

Since you are not creating a receivable for your customer, the electronic payment account is credited until settlement is received. You can assign an account to use for EP transactions when you set up Billing. See Setting up Billing.