You can see above Labour’s candidate facebooking a filled in ballot paper, and even worse promoting it for advance voting.
UPDATE: A reader says this came up in their timeline as sponsored, which means it is a paid advertisement by Labour. If so, that is even worse.
UPDATE2: Only an offence if done within 3 days of polling day, so not a law breach. I should have checked the Electoral Act rather than go off memory. Happy to state that on this occasion, Labour is not breaching electoral law, and my regrets I got it wrong. May this exception become the norm.
Arguable that with advance voting, the prohibition should be during the advance voting period.