Reviewing Timor-Leste’s Obligations under Article 2 and 3 of the Timor Sea Treaty 2018 Based on the Principle of Pacta Sunt Servanda

This research is based on an analysis of the obligations of Timor-Leste under Article 2 and 3 of the Timor Sea Treaty 2018 between them and Australia regarding the establishment of the maritime boundary between the two states in the Timor Sea. This research was made by studying various doctrines and jurisprudence related to the pacta sunt servanda principle as well as reviewing Timor-Leste’s obligation in the Timor Sea Treaty 2018. Based on this research, we concluded that there were a couple of issues regarding the performance of Article 2 and 3 of the Timor Sea Treaty 2018 by Timor-Leste which need to be addressed when Timor-Leste considers their next step regarding maritime boundary negotiations in the Timor Sea.