How is the national electoral register created?

Montenegro, 'OSCE/ODIHR Needs Assessment Mission Report', Presidential Election 15 April 2018, Voter Registration, accessed 7 August 2019 

The voter register is permanent and regularly updated and maintained by the Ministry of Interior based on data from the registers of permanent residence, citizenship, deaths and births. The SEC has a supervisory role on the implementation of legal provision pertaining to the voter register and is granted electronic access. On election day, electronic devices will be used in polling stations to verify the identity of voters. There are currently 534,135 voters included in the register.