Those amendments do not invalidate the training undergone, or the driving licences issued to certify such training, before their application.
Ní fhágann na leasuithe sin nach bailí an oiliúint a rinneadh, ná na ceadúnais tiomána arna n-eisiúint chun oiliúint den sórt sin a dheimhniú, sula gcuirfear i bhfeidhm iad.