OBS_VALUE: <ul><li><a href=https://sso.agc.gov.sg/SL/CAASA2009-S311-2009?DocDate=20160331#pr3- target=_blank>Civil Aviation Authority Of Singapore Act 2009(No. S 311Civil Aviation Authority Of Singapore Act 2009(Act 17 Of 2009)Civil Aviation Authority Of Singapore (Licensing Of Airport Operators) Regulations 2009. Last amended 1 Aprile 2016. Article 3. )</a></li><li><a href=https://sso.agc.gov.sg/Act/CA2004#Sc3- target=_blank>Competition Act(Competition Act(Chapter 50b)(Original Enactment: Act 46 Of 2004)Revised Edition 2006(31st January 2006).Issued on 1st September 2005. Last amended on 01 March 2021. )</a></li></ul>