Hi pak,
please go through this
http://www.citizenship.gov.au/applying/files/
as per my file I submited
identy forms...1) passport 2) driving license 3) utility bill
identity declaration 1195 form
PR status report.
You need penal clearance certificates from overseas countries if:
you lived or travelled overseas since the age of 18 years or over, and
the total time spent overseas added up to 12 months or more, and
the time spent in any one country was more than 90 days, or
you are requested to do so by the department.