At a ceremony at the Ministry of Foreign Affairs on 10 February 2017, Minister for Foreign Affairs Dr Vivian Balakrishnan and Indonesian Minister for Foreign Affairs Retno Marsudi exchanged the Instruments of Ratification for the Treaty Between the Republic of Singapore and the Republic of Indonesia Relating to the Delimitation of the Territorial Seas in the Eastern Part of the Strait of Singapore, which was signed in Singapore on 3 September 2014.

The Exchange of Instruments of Ratification brings the Treaty into force, and is a significant milestone in Singapore's bilateral relations with Indonesia. It demonstrates the mutual commitment of both countries to resolving complex bilateral issues in an amicable manner on the basis of international law, and underscores the excellent bilateral ties between Singapore and Indonesia.