If, in a joint application for a divorce order, the applicants request that the case be heard in their absence, the court may so determine the case. (legislation.gov.au)
In some cases a couple may have made a joint application for a divorce. (yjil.org)
When a legal application for divorce is filed with the courts, it is important that the defendant (answering party) is notified to optimize fairness. (galbraithfamilylaw.com)