The Association of Garda Sergeants and Inspectors is the latest union to accept the Haddington road agreement on public sector pay.
93% of its membership voted to accept the revised pay deal.
Another trade union - Unite - which had been very vocal against the Agreement is now re-balloting its members.
The union said it was deciding reluctantly to recommend acceptance of the deal - as its members would otherwise be disadvantaged.
Meanwhile - the Irish Fire and Emergency Services Association has voted to reject the Haddington Road Agreement.