PSFT AP 9.2: how to print RTV vouchers?

We are using ERS and Self-Billing in PeopleSoft. When we create a PO and Receipt, we run the voucher build to create a ERS voucher (self-billing) based on the receipt. When we return goods to the supplier, we create a RTV and after running the voucher build, the system will create a RTV credit voucher. In Payables we can print the self-billed invoices through the menu "Accounts Payable > Reports > Vouchers > Print Self-Billed Invoices" which can then be sent to the supplier. However, there doesn't seem to be a way to print the RTV vouchers. We also have