OBS_VALUE: <ul><li><a href=https://peraturan.bpk.go.id/Details/284770/permenhub-no-81-tahun-2021 target=_blank>Regulation on Service Operation at the Airport(Kegiatan pengusahaan di bandar udara, Ministry of Transportation Regulation No. 81/2021, adopted 12.10.2021, Article 3)</a></li><li><a href=https://peraturan.bpk.go.id/Home/Details/54656/uu-no-1-tahun-2009 target=_blank>Aviation Act(Penerbangan, Act No. 1/2009, adopted 12.01.2009, with latest modifications on 30.12.2022)</a></li><li><a href=https://jdih.kemenkeu.go.id/fulltext/1847/23tahun~1847stbl.htm target=_blank>Indonesian Commercial Code(Kitab undang-undang hukum dagang, Commercial Code 1938, Article 6)</a></li></ul>