The Independent Alliance say there's "a huge number of unresolved issues" to be dealt with before they'll support a Fine Gael led government.
Last night a draft deal was agreed by Fine Gael and Fianna Fáil negotiators on the formation of a minority government.
Attention turns now to talks between the Independent Alliance and Fine Gael.
Alliance spokesperson Shane Ross says "it's by no means a certainty" that they'll suuport Enda Kenny in the vote.
But Transport Minister Paschal Donohue believes a lot of the groundwork has already been done:
Fianna Fáil's parliamentary party could meet as early as this weekend to discuss the deal.
Speaking after the talks concluded, the party's Michael McGrath said it'd been a tortuous affair: