Visit this site http://simpleceremonies.com.au/ for more information on Register Marriage. There are certain steps that a couple need to follow when they are making their marriage official as a Register Marriage. The couple will have to give their passport size photograph as well a marriage photograph. Stating the place and date of marriage, the couple will have to give an affidavit. Also, if they still have a marriage invitation card available, it will be required for the process.