Congressional and Legislative
Congressional and legislative maps are enacted by the State Legislature. The Governor can veto the plans.
The Legislature can override a veto with a two-thirds vote. No party currently has a veto-proof majority in either chamber.
Source: Wis. Const. art. IV, § 3.
Kinds of Ballot Measures
Only the Wisconsin Legislature may refer amendments to the ballot. There is no initiative or referendum process.
Source: Wis. Const. art. XII.