September Retrofit Release Three

Last Updated: October 1, 2026 10:19:28 PM PDT

This page outlines key changes specific to TSS-driven retrofits going live in late September 2026.

This is the third of several releases planned for September that will make Fall 2026 (FA26) data from TSS available. This release includes the following reports:

Accounts Receivable Aging
Accounts Receivable Transactions

Visit the Current and Future Report Development page to see when this and other retrofit releases will be available.

Accounts Receivable Aging

The table below describes the September update changes, limitations and reminders where the data may be different in ISIS vs TSS.

This table lists the fields with new codes/values or other changes.
Field	Comments
SIS AR Data Source	New Field! Indicates if this data comes from ISIS or TSS. Terms prior to FA26 come from ISIS. Terms starting FA26 or later come from TSS.
SIS GL Reconciliation Key	New Field and Filter! Automatically generated alphanumeric key used to link transactions between TSS and Oracle. There will be multiple TSS transactions per one Oracle GL Reconciliation Key. Used in SIS Financial System Key. Accidental Filter Warning: If you filter on only one value, you may accidentally be filtering out your data. These are unique to TSS, and will be blank/null when SIS AR Data Source is ISIS.
SIS Period Key	New Field! 2-digit year, 2-character quarter for the period the charge or payment was applied. Check, cash and security deposits do not have period keys. Used in SIS Financial System Key. Note: As this is unique to TSS, it will be blank/null when SIS AR Data Source is ISIS.
TSS Student Number	New Field! This is the student identifier in the new Triton Student System (TSS). This field can be used to look up information related to a student regardless of the SIS AR Data Source. You can view both ISIS or TSS AR transactions associated with the student.
Legacy Student PID	New Field! This is the student identifier from legacy system ISIS. Note that most FA26 admits will not have a Legacy Student PID.
SIS Document and Item Number	New Field! This is the TSS AR Document Number followed by the Document Item Number. In many cases, it can be used to identify the original amount of the credit or debit. Click to learn more! Note: As this is unique to TSS, it will be blank/null when SIS AR Data Source is ISIS.
SIS Document Item Type Code SIS Document Item Type SIS Document Item Type Code and/or Title	New Field! These can be seen in the TSS Account Balance screen in the "Type" column. Click to learn more about TSS Billing! Accidental Filter Warning: If you filter on only one value, you may accidentally be filtering out your data. These are unique to TSS, and will be blank/null when SIS AR Data Source is ISIS.
SIS Detail Code SIS Detail type SIS Category Code SIS Detail Code and Short Description	Accidental Filter Warning: If you filter on only one value, you may accidentally be filtering out your data. These are unique to ISIS, and will be blank/null when SIS AR Data Source is TSS.

Accounts Receivable Transactions

The table below describes the September update changes, limitations and reminders where the data may be different in ISIS vs TSS.

This table lists the fields with new codes/values or other changes.
Field	Comments
SIS AR Data Source	New Field! Indicates if this data comes from ISIS or TSS. Terms prior to FA26 come from ISIS. Terms starting FA26 or later come from TSS.
TSS Student Number	New Field! This is the student identifier in the new Triton Student System (TSS). This field can be used to look up information related to a student regardless of the SIS AR Data Source. You can view both ISIS or TSS AR transactions associated with the student.
Legacy Student PID	New Field! This is the student identifier from legacy system ISIS. Note that most FA26 admits will not have a Legacy Student PID.
SIS Document Item Type Code SIS Document Item Type SIS Document Item Type Code and/or Title	New Field! These can be seen in the TSS Account Balance screen in the "Type" column. Click to learn more about TSS Billing! Accidental Filter Warning: If you filter on only one value, you may accidentally be filtering out your data. These are unique to TSS, and will be blank/null when SIS AR Data Source is ISIS.
SIS Detail Code SIS Detail type SIS Category Code	Accidental Filter Warning: If you filter on only one value, you may accidentally be filtering out your data. These are unique to ISIS, and will be blank/null when SIS AR Data Source is TSS.
SIS Period Key	New Field! 2-digit year, 2-character quarter for the period the charge or payment was applied. Check, cash and security deposits do not have period keys. Used in SIS Financial System Key. Note: As this is unique to TSS, it will be blank/null when SIS AR Data Source is ISIS.
SIS Transaction Term Code	Not all transactions are associated with a Term Code. By selecting a single SIS Transaction Term Code, you will be limiting the data to transactions that are associated with a Term Code. Accidental Filter Warning: If you filter on only one value, you may accidentally be filtering out your data.
SIS Document and Item Number	New Field! This is the TSS AR Document Number followed by the Document Item Number. In many cases, it can be used to identify the original amount of the credit or debit. Click to learn more about TSS Billing! Note: As this is unique to TSS, it will be blank/null when SIS AR Data Source is ISIS.
SIS Source of Receivable Code SIS Source of Receivable	New Field! Click to learn more about TSS Billing! Note: While not unique to TSS, there were very limited values in ISIS. The number of unique values in TSS has increased significantly.
SIS Transaction Document Number	New Field! Click to learn more about TSS Billing! Note: As this is unique to TSS, it will be blank/null when SIS AR Data Source is ISIS.