Hi Chris10,
Thanks for your post. Wages, superannuation and deduction payroll categories used in the current and previous payroll year are included in the check. Each of these must have an ATO reporting category assigned. By default, this is set to To be assigned, so you know what payroll categories still need assigning. More information on this is available on our help article Getting ready for STP Phase 2.
Do let me know if you have any further questions.
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