The citizen has many ways of participating in politics, one of them is the initiative which is a way that any citizen or organization can gather several signatures to qualify a measure to be placed on a ballot and be voted upon in future election. The Initiatives can be divided into many types, such as constitutional amendments and statutory initiatives.
The reform measure that voters could use if they wanted to change a law about taxes would be an "initiative", since this is usually used to change or alter laws that are already in place.
