tentang Pengesahan Persetujuan antara Pemerintah Republik Indonesia dan Pemerintah Republik Singapura tentang Penyesuaian Batas antara Flight Information Region Jakarta dan Flight Information Region Singapura (Agreement between the Government of the Republic of Indonesia and the Government of the Republic of Singapore on the Realignment of the Boundary between the Jakarta Flight Information Region and the Singapore Flight Information Region)