If you are using both Enrolmy's WINZ Oscar Subsidy and Xero Sync Add-Ons, then this is what you should expect to see within Xero:
WINZ Credit Note
The credit note generated via Enrolmy’s WINZ OSCAR Subsidy Reconciliation process can be viewed in Xero and will be automatically applied to the relevant invoice. The Credit note looks like the following:
Invoices
The invoices generated from Enrolmy will have the WINZ Credit Note automatically applied and will look like the following: