Sinn Féin has said it was "particularly concerning" that the Policing Authority believed that the entire reform process being undertaken by An Garda Síochána was fundamentally flawed.
In its fifth report on the Implementation of Changing Policing in Ireland programme, the authority identified fundamental flaws in the reform process and said its concern at the pace of progress was now secondary to those flaws.
The authority said barriers to progress relate to training, human resources, ICT and accommodation and the absence of strategies in these areas undermines the efforts to develop an effective garda service.
Speaking on RTÉ’s Morning Ireland, Sinn Féin's justice spokesperson Donnchadh Ó Laoghaire said many reforms had not been completed and there was a view that the capacity was not there to deliver reform.
He said training has long been an issue within An Garda Síochána.
He said many garda stations were "running to stand still" and stations were relying on probationers just out of Templemore.
Separately, Mr Ó Laoghaire said he would work with the incoming garda commissioner Drew Harris but it was important Mr Harris dealt with the concerns that had been raised by his party.
Confidence, he said, had to be earned and it was important that Mr Harris demonstrated he did not subscribe to the culture of the disbanded RUC.
Meanwhile, AGSI General Secretary John Jacob said the Policing Authority report shows the need to either resource gardaí to change or to manage the public's expectation of reform.
However, he said that a lot has been achieved in the modernisation and reform process.
Mr Jacob said that while numbers and technology were being increased, there was no focus on the accommodation needs of the force while the report also highlighted a lack of training.
He added that there was no account taken of how long it took 800 recruits to get to frontline duties and the focus of garda management should be to cover all parts of the country and not just larger urban centres.
