Voting places will only be available inside the electorate on election day. Voters unable to vote at a voting place in the Ikaroa-Rawhiti electorate on June 29 will be able to vote at an advance voting place before election day, and postal voting may be available for those unable to get to a voting place.
Advance voting and voting from overseas will start on Wednesday, June 12.
Information about where to vote will be available from www.elections.org.nz from June 5.
"We will be working in the community to ensure voters enrolled in the Ikaroa-Rawhiti electorate know that the by-election is on, how to make sure they are enrolled, and where and when to vote," said Mr Peden.
A result will be announced on July 10.
To enrol, freetext your name and address to 3676, go to www.elections.org.nz, visit any PostShop or call 0800 36 76 56.
Voters can also check and update their details at www.elections.org.nz.