The notice was published in the Government Gazette Monday, 15 July 2019.
The Electoral Commissioner, Joseph Cain has also been advised to conduct the poll on Saturday, 24 August.
The National Electoral Roll will be published on Friday, 19 July 2019 on the Gazette and Nauru Electoral Commission Notice Board for viewing.
Voter transfers and registrations will be closed on Saturday, 3 August 2019 at 5pm.
Voting is compulsory and the NEC is advising families living abroad that the Commission has appointed witnesses to assist them with proxy voting forms.