If official election results processed by an electronic tabulation system, at which level results are entered into an electronic tabulation system? - El Salvador

Country: 
El Salvador
Question: 
If official election results processed by an electronic tabulation system, at which level results are entered into an electronic tabulation system?
Answer: 
Polling station level, offline
Source: 

El Salvador, TSE, Instructivo para integrantes de Juntas Receptoras de Votos (2021), accessed 1 March 2021