Your A.B.N. must be in the format XX XXX XXX XXX. Your A.C.N. must be in the format XXX XXX XXX. 9 Invalid Workstation License Number; try again. Fiscal year must be between 1905 and 2039. ^0 ^1 Accounting Periods per Year: Conversion Month: Last Month in Fiscal Year: Current Fiscal Year: State Sales Tax ID: Federal Tax ID: Phone Number: Address: Company Name: Total Workstations Licensed: Workstation License Number: Customer Number: Company Information