That was when, in an unprecedented step, members of the national parliaments of all the acceding countries were invited to participate regularly in the work of the European Parliament as observers, from 1 May 2003 until their accessions were fully realised.
ó pharlaimintí náisiúnta na dtíortha aontachachais páirt rialta mar bhreathnadóirí a bheith acu in obair Pharlaimint na hEorpa, ón 1 Bealtaine 2003 go dtí go raibh siad ina mBallstáit.