Related Rule
Practice Relating to Rule 161. International Cooperation in Criminal Proceedings
Section E. Cooperation with international criminal tribunals
Brazil’s Constitutional Amendment No. 45 (2004) states: “Article 5 … of the Federal Constitution shall come into force with the following wording: ‘ … § 4º Brazil is subject to the jurisdiction of an international criminal court to whose creation it has adhered.’” 
Brazil, Constitutional Amendment No. 45, 2004, Article 1.