Bertie Ahern said it is a “sad day” for the people of Northern Ireland as they face into another election, which he said will solve and do nothing.
The former taoiseach and architect of the Good Friday Agreement said an election will not “change a damn thing”.
He made the comments as the election is expected to be called by Northern Ireland Secretary Chris Heaton-Harris on Friday, after a deadline to restore devolved government at Stormont passed.
Mr Ahern said that Mr Heaton-Harris talked himself into the election in recent weeks after stating he has a legal obligation.
“I think it’s a pity, I think it’s a sad day and feel sorry for people in the north because this won’t decide what’s in the (Northern Ireland) Protocol,” Mr Ahern said.
“The only thing that will decide the protocol are the negotiations that are necessary.”
The DUP is blocking the restoration of powersharing as part of its protest against the post-Brexit Northern Ireland Protocol.
A six-month legislative timeframe to form an administration expired in the early hours of Friday.
Talks between Brussels and London to resolve the outstanding issues are ongoing, however Mr Ahern believes there are “no negotiations” taking place between both sides.
“The last meetings of substance were last October. There was a bit of a meeting for a half day in February,” he told RTÉ’s Today with Claire Byrne.
“Talks started last week but no negotiations, there’s a big difference between talks and discussions and negotiations, and now they’ve thrown the north into an election.
“It doesn’t matter whether people vote black, white, yellow or pink in the election, it won’t change anything. The protocol is still the protocol and it isn’t up for discussion in the election.
Mr Ahern also said the UK government needs to learn “a bit more” about the DUP and its stance on the Northern Ireland Protocol, stating that the party will not change its position until there is a solution.
He said that people in Northern Ireland now face an election “that solves nothing does nothing”.
“The main issue that’s causing the breakdown is not even on the agenda. So, if they all voted 100 per cent one way or the other, it doesn’t change a damn thing,” Mr Ahern added.
“I think what happens now is the election will be on the 15th, there’ll be all the rancour in between, hopefully it’s a peaceful election.
“Hopefully, people use their democratic vote for whatever individuals they like.
“On the other side of that, they’ll have a Christmas break and then maybe the British government might consider doing what they should have done a few years ago and get into serious negotiations, not discussions, and try to find a way forward.”
Mr Ahern said he is also concerned the British government will use Northern Ireland as a bargaining chip in the protocol negotiations.
He added: “We know the problems, they’ve been rehearsed time and time again, but the British government can say what they like, but the reality is there hasn’t been any negotiations for a full 12 months.
“It was just coming up to Halloween last year was the last meeting of substance and with all the musical chairs that have been going on in Westminster, people in Northern Ireland have been left.
“I hope they noticed that. I do hope people in Northern Ireland see that in Number 10, they are low on their priority.”