Yes you can. Same sex / gay relationships and marriages are recognised as de facto relationship in all states of Australia (except WA). So you will be covered by the de facto Separation Agreement [...]
A Separation Agreement is binding under the Family Law Act once both parties have met the following conditions: The agreement must be in writing, legitimately completed and signed by both parties [...]
We are an Australian-based company that specialises solely in divorce / separation education, templates and products. Our agreements have been prepared by experienced lawyers with backgrounds in top-tier law firms, who have been admitted to both the High Court of Australia and the Supreme Court of Victoria.