E-2.2, r. 3 - Regulation respecting voting by mail

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11. If a candidate withdraws after the ballot papers have been sent, the returning officer so informs any elector who has not yet voted by mail. The foregoing also applies if, after the ballot papers have been sent, a party’s authorization or ticket’s recognition is withdrawn or if a co-candidate ceases to be a co-candidate.
M.O. 2009-05-13, s. 11.