OBS_VALUE: <ul><li><a href=http://www.gov.cn/gongbao/content/2018/content_5303462.htm target=_blank>Measures on Civil Aviation Flight Schedule Management(民航航班时刻管理办法 adopted and in force 5 January 2018, Article 32)</a></li><li><a href=http://www.caac.gov.cn/XXGK/XXGK/ZCFB/201511/t20151104_10950.html target=_blank>Notice of the Civil Aviation Administration of China on Issuing the Working Procedures for Handling the Applications for Flight Schedule by Foreign Airlines( 关于印发外航航班时刻申办工作程序的通知 adopted and in force 30 May 2008, Articles 3 and 6)</a></li></ul>