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

Country: 
South Africa
Question: 
If official election results processed by an electronic tabulation system, at which level results are entered into an electronic tabulation system?
Answer: 
Between polling station level and central level (see comments)
Source: 

My Broadband, South Africa’s general elections – the technology behind the voting, 23 January 2019, accessed 30 June 2019

“Maphanga explained that the primary vote counting process is completely manual. Once all the votes have been counted, the final results slip is scanned at the IEC’s local office in order to digitise the results. The results are then immediately sent to the IEC’s data centre.”