Follow the processes below  to send Remittance Advice :

1.  Create the creditor.  See: How to Create a New Creditor

2.  Enter an expense item for that creditor.  See: How to Create a New Expense

3.  Make a payment to that creditor.  See: How to Create a Creditor Payment

4.  Create an email template to use when sending the remittance.  See: How to Create an Email Template

5.  Send the remittance. See: Sending Remittance Advice