City of Hanover issued the following announcement on Aug. 25.
Hanover residents, many of you have inquired about receiving an Absentee Ballot for the November 3rd General Election. Election staff will be able to start mailing out absentee ballots on September 18th. Click below to visit the City's Elections web page for more information on the election process. https://www.hanovermn.org/index.asp?SEC=180DFF0F-3260-488B-9F4F-99D7C843BD21&Type=B_BASIC
Original source can be found here.
Source: City of Hanover