noun
election voting discount
A discount or special offer given to customers who show proof of having voted in an election. Often used by businesses as a promotional campaign to encourage voting.
選挙割でラーメンが半額になった。
I got half-price ramen thanks to the election voting discount.
投票済み証を見せると選挙割が受けられます。
You can get the election voting discount by showing your voting stub.
Similar concept, but 投票割 explicitly uses the word for 'voting' rather than 'election'. Both refer to discounts for voters.
Compound of 選挙 (election) and 割 (discount). A modern term reflecting a social campaign to increase voter turnout.