OBS_VALUE: <ul><li><a href=https://www.pkulaw.com/chl/953111a8215d77efbdfb.html target=_blank>Civil Aviation Law of the People's Republic of China(中华人民共和国民用航空法,adopted 30 October 1995 and in force 1 March 1996, last updated on 29 April 2021, Article 26)</a></li><li><a href=http://www.caac.gov.cn/XXGK/XXGK/GFXWJ/202107/t20210726_208600.html target=_blank>CAAC Administrative Measures for the Introduction of Transport Aircraft(民航局运输飞机引进管理办法announced 13 July 2021Article 6)</a></li></ul>