What you need to know....:
The couple must complete the Notice Of Intention To Marry (NIM) within eighteen months of the intended ceremony date, and no later than within one month and one day of the intended ceremony date.
A person must be eighteen years of age before they can be married in Australia.
If you were born in Australia, a birth certificate must be produced.If you were born outside of Australia, a birth certificate or extract of birth must be produced. If that is not available, a passport from the country of birth origin, clearly showing the date of birth, must be produced.
If you have been previously married, a Divorce Decree Absolute must be produced.
You will also need two witnesses for your marriage.