| Category |
Description |
Entry into Service/Registration Requirements |
Road Worthiness Testing Requirements |
| O1 |
Trailers with a maximum mass not exceeding 0.75 tonne e.g. Small car trailers |
ECWVTA and related national approval schemes applies to incomplete and complete trailers from 29th October 2012 and for completed trailers from 29th October 2013.
|
Not currently subject to roadworthiness testing.
|
| O2 |
Trailers with a maximum mass exceeding 0.75 tonne but not exceeding 3.5 tonnes e.g. Larger car trailers and most trailer caravans. |
| O3 |
Trailers with a maximum mass exceeding 3.5 tonnes but not exceeding 10 tonnes |
ECWVTA and related national approval schemes applies to incomplete and complete trailers from 29th October 2012 and for completed trailers from 29th October 2013. O3 and O4 trailers must be registered with the local authority and licensed. For more information click here |
Tested annually. Visit CVRT.ie for further information |
| O4 |
Trailers with a maximum mass exceeding 10 tonnes e.g. Heavy trailers including articulated trailers |