You have rights to use this International Law at the domestic level
The State of Australia ratified the Vienna Convention on the Law of Treaties 1969 on 13 June 1974 - Article 27 - "Internal law and the observance of treaties - A party may not invoke the provisions of its internal law as justification for its failure to perform a treaty. This rule is without prejudice to article 46."
The State of Australia ratified the Convention on the Elimination of All Forms of Discrimination against Women on 28 July 1983.
Pursuant to CEDAW Article 4.1 – you have your basic female human rights to be heard under International Law at the domestic level in the Courts in the State of Australia. Thus the combination of these two INTERNATIONAL LAWS, you have the right to proceed to state your case with the observance of these two treaties, being a subject of International Law CEDAW.
Further Affirmation of the Application of CEDAW at the domestic level
United Nations read the following –
General Recommendation No.25, on article 4, paragraph 1, of the Convention on the Elimination of All forms of Discrimination against Women, on temporary special measures.
Minister for Immigration v Khawar (2002) HCA 14, 210 CLR 1, 187 ALR 574; 76 ALJR 667 (11 April 2002 - paragraphs 110 & 111.
R & R Fazzolari Pty Limited v Parramatta City Council, Mac’s Pty Limited v Parramatta City Council  HCA 12 (2 April 2009), 43-44.
U v U HCA 36; 211CLR 238; 191 ALR 289; 76 ALJR 1416 (5 September 2001) – paragraph 161.
For links to the citations - refer to "REFERENCES"