| Copa Conmebol 1999 - Appearances as Referee |  |
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 |
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| 20/10/1999 | São Raimundo - AM | - | Atlético Huila | 2:1 | 3 | - | - |
| 25/11/1999 | Deportes Concepción | - | Talleres de Córdoba | 1:1 | 8 | - | - |
| Copa Conmebol 1999 - Appearances as Referee | |
|
|
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| 20/10/1999 | São Raimundo - AM | - | Atlético Huila | 2:1 | 3 | - | - |
| 25/11/1999 | Deportes Concepción | - | Talleres de Córdoba | 1:1 | 8 | - | - |
| Complete name: | Carlos Arecio Amarilla Demarqui |
| Born: | 26/10/1970 |
| Place of birth: |
Asunción, 
Paraguay |
| Nationality: |
Paraguay |
| Height: | 183 cm |
| Weight: | 87 kg |