Joan Burton (Dublin West, Labour) | Oireachtas source

I am sure as the deputy leader of Sinn Féin, Deputy McDonald, has had an opportunity to be briefed in respect of her party's position in the North. In the North, approximately 32,000 workers are on zero-hour contracts. Sinn Féin gave a public commitment that the party's position was to ban them outright. Then, when the relevant Northern Ireland Minister undertook a review on behalf of the Northern Ireland Executive, to which Sinn Féin is a party, Sinn Féin changed its position to a matter of regulation.

See this speech in context