OBS_VALUE: <ul><li><a href=https://www.gov.za/documents/air-services-licensing-act-6-mar-2015-1118 target=_blank>Air Service Licensing Act(Act No. 115 of 1990, adopted on 13 July 1990, last amended on 21 March 2010, Section 31)</a></li><li><a href=https://www.caa.co.za/information-for-the-public/fees/ target=_blank>Fees, charges and levies(South African Civil Aviation Authority - Fees, charges and levies )</a></li></ul>