Nope. > Can I change my mind after I've returned the ballot? > No. Your ballot has been cast as soon as you deposit it in the mailbox or at a drop site. After

Nope. > Can I change my mind after I've returned the ballot? > No. Your ballot has been cast as soon as you deposit it in the mailbox or at a drop site. After that, you cannot receive a new ballot to re-vote. From https://multco.us/elections/voting-oregon-vote-mail https://multco.us/elections/voting-oregon-vote-mail