Possibly changing from CCD to CCD+. Where do we store additional data?

Summary:

We are looking at changing our ACH remittance from CCD to CCD+. I'm wondering where the information we'd put in the Addenda record (Record 7) would be stored in Payables?

Content (please ensure you mask any confidential information):

We have a number of additional data points we'd like to send with our ACH remittance. Because of that, we'd like to start using the CCD+ template. Where does the information that would be sent with the addenda record (record 7) get stored in Payables? Does this get stored using DFFs? For example, there are 15 DFFs available for AP_Invoices. Is this where the information would be kept? Because we are currently using 14 out of 15 of these fields.