I5 report lists those payments that have an On-Account balance. Fully applied payments (those payments where the On-Account amount is Zero) are not listed here.
Search fields for the I5 report are Accounting Date, Payment Date, Payer Entity, Payer Name, Legal Entity, User, Provider, PSTS# and Check#. Sort the results by choosing any of the sort options (Amount Unapplied/ Amount/Payer Entity/ Payment Date). Also include refunds and zero payments by selecting the check boxes named Include Refund and Include Zero Payment. Image 1 shows a sample I5 report.