Just renewed my motor tax online.
Got the renewal notice yesterday and it had a PIN number on it to use to log-in, and it was a doddle, just needed PIN number, Insurance details and Credit or Laser Card. https://www.motortax.ie/mtoapp/welcome.do
here's the link to the FAQ's: https://www.motortax.ie/mtoapp/staticCo ... o?page=faq
JD