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v3.20.1

Summary of the main accounting policies: (Tables) | 12 Months Ended
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Dec. 31, 2019
Summary of the main accounting policies: |
Schedule of consolidated subsidiaries |
|  | Shareholding |  |
|  | percentage (%) |  | Main activity
Aeropuerto de Cancún, S. A. de C. V. (*)(**) |  | 100 | % | Airport services
Aeropuerto de Cozumel, S. A. de C. V. |  | 100 | % | Airport services
Aeropuerto de Mérida, S. A. de C. V. |  | 100 | % | Airport services
Aeropuerto de Huatulco, S. A. de C. V. |  | 100 | % | Airport services
Aeropuerto de Oaxaca, S. A. de C. V. |  | 100 | % | Airport services
Aeropuerto de Veracruz, S. A. de C. V. |  | 100 | % | Airport services
Aeropuerto de Villahermosa, S. A. de C. V. |  | 100 | % | Airport services
Aeropuerto de Tapachula, S. A. de C. V. |  | 100 | % | Airport services
Aeropuerto de Minatitlán, S. A. de C. V. |  | 100 | % | Airport services
Cancun Airport Services, S. A. de C. V. (***) |  | 100 | % | Airport services
Aerostar Airport Holdings, LLC |  | 60 | % | Airport services
Sociedad Operadora de Aeropuertos Centro Norte, S.A. |  | 100 | % | Airport services
RH Asur, S. A. de C. V. |  | 100 | % | Administrative services
Servicios Aeroportuarios del Sureste, S. A. de C. V. |  | 100 | % | Administrative services
Asur FBO, S. A. de C. V. (**) |  | 100 | % | Administrative services
Caribbean Logistics, S. A. de C. V. (***) |  | 100 | % | Cargo services
Cargo RF, S. A. de C. V. (**) |  | 100 | % | Cargo services
Schedule or useful lives land, furniture and equipment |
|  | 2019 |  | 2018 |
Furniture equipment |  | 10 to 20 | % | 10 to 20 | %
Machinery |  | 10 to 20 | % | 10 to 20 | %
Computer equipment |  | 20 to 33 | % | 20 to 33 | %
Transportation equipment |  | 20 to 25 | % | 20 to 25 | %
Improvements to leased premises |  | 10 | % | 10 | %
Schedule of useful lives licenses and commerical direct operation |
Licenses |  | 29 | years
ODC |  | 29 | years
Commercial Rights of Aerostar |  | 34 | years
Commercial Rights of Airplan |  | 13 | years

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