The first of four council votes on whether to give Dubliners the choice of having a directly elected mayor takes place tonight.
Dublin city councillors will have their say this evening, while the other three votes in Fingal, Dun Laoghaire-Rathdown and South Dublin all take place in a week's time.
All of the councils must approve the plebiscite proposal for it to go ahead, but there has been speculation in recent weeks that Fingal council could veto the move.