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

Country: 
Nigeria
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: 

Nigeria, INEC, Regulations and Guidelines for the Conduct of Elections, accessed 3 February 2019

COLLATION OF ELECTION RESULTS

See Clauses 27-32