President Tony Tan Keng Yam and Prime Minister Lee Hsien Loong have written to Indonesian President Joko Widodo, and Minister for Foreign Affairs Vivian Balakrishnan has written to Indonesian Minister for Foreign Affairs Retno Marsudi, to convey their congratulations on the occasion of Indonesia's 72nd Independence Day on 17 August 2017. 2017 also marks the 50th year of diplomatic relations between Indonesia and Singapore. The text of the letters are appended.

Source; Ministry of Foreign Affairs of Singapore