Layer	Source Document	Purpose in an Audit
Primary	ATO Income Statement	Proves you were a legal, tax-paying employee.
Secondary	Bank Statements (PDF)	Matches your "Net Pay" to your payroll logs to prove no "cash-in-hand" work.
Tertiary	Rosters/Timesheets	Proves you stayed under the 48-hour fortnightly limit during semester.

Layer	Source Document	Purpose in an Audit
Primary	ATO Income Statement	Proves you were a legal, tax-paying employee.
Secondary	Bank Statements (PDF)	Matches your "Net Pay" to your payroll logs to prove no "cash-in-hand" work.
Tertiary	Rosters/Timesheets	Proves you stayed under the 48-hour fortnightly limit during semester.

Layer	Source Document	Purpose in an Audit
Primary	ATO Income Statement	Proves you were a legal, tax-paying employee.
Secondary	Bank Statements (PDF)	Matches your "Net Pay" to your payroll logs to prove no "cash-in-hand" work.
Tertiary	Rosters/Timesheets	Proves you stayed under the 48-hour fortnightly limit during semester.

Layer	Source Document	Purpose in an Audit
Primary	ATO Income Statement	Proves you were a legal, tax-paying employee.
Secondary	Bank Statements (PDF)	Matches your "Net Pay" to your payroll logs to prove no "cash-in-hand" work.
Tertiary	Rosters/Timesheets	Proves you stayed under the 48-hour fortnightly limit during semester.