The workers were to be sent to the Northern territory to work on mango farms and orchards.
However a farewell ceremony set for this morning was hastily cancelled with government minister Bruno Leingkon saying the Council of Ministers still needed to approve the pilot programme.
A Council paper was prepared by the Department of Labour over three weeks ago but the minsiters were only meeting today on the matter.
One issue is that the government had proposed not to resend ni-Vanuatu into Australia but transfer those already there to the Northern Territory.