Requirements for entry into the Republic of Serbia, including information for passengers arriving from State with special risk from spreading COVID-19 contagious disease,  and travelling abroad can be found on Ministry of Foreign Affairs’ web page https://www.mfa.gov.rs/en Information for passengers regarding conditions for entering Republic of Serbia are available in the form of NOTAM and can be found on Serbia and Montenegro Air Traffic Agency website - link  On March 12, 2020, the Civil Aviation Directorate of the Republic of Serbia issued an Operational Notice regarding the implementation of safety measures requiring public air transport operators to provide sufficient disinfectants to prevent the spreading of COVID-19   
The Directorate shall provide the funds to exercise the duties from its scope of activities encompassing:
  1. fees and charges prescribed by Air Transport Law payable to the Directorate;
  2. portion of charges paid in accordance with the Multilateral Agreement on Route Charges or other ratified international agreements and the portion of terminal charges set up by annual cost base for the performance of regulatory and oversight functions;
  3. charges for the promotion of air transport paid, through aerodrome operator, by the departing passengers in commercial air transport;
  4. charges for the promotion of air transport paid, through aerodrome operator, by the aircraft operators per departing tonne of mail and cargo in air transport;
  5. other sources, in accordance with Air Transport Law.
The Directorate is not funded through the budget of the Republic of Serbia