(Portland, OR) -- Multnomah County ballots will be delayed, because of a proofing error. The mistake caused the District 3 contest for the Multnomah Board of Commissioners to appear on every ballot. The error was discovered today. Multnomah County elections says new ballots are being printed and will be mailed to voters on or before the required May 2nd date. Voters will have the required two weeks to make decisions and return their ballots in time for the May 16th election deadline.