Reporting companies need to comply with the following forms reported on the correct date to avoid penalties or other costs. : 1 Tax File Number Declaration ??? ATO [Within 14 days of new employee joining the company] 2 Activity Statements ??? IAS/BAS ??? ATO [On due dates based on the type of lodgement] 3 PAYG payment summary annual report ??? ATO [Generally due on August 14] 4 Payroll tax ??? ROs