Conversion of Vehicles

Conversion of Vehicles

A vehicle conversion is a modification to the registered details of a vehicle e.g. from private to commercial

Most conversions submitted to the Motor Taxation Office are for Vehicles which have been converted from EU category M1 to N1, i.e. from Private to Goods Vehicle – (Additional Information in relation to vehicles conversions can be found at )

To amend registration documents for a converted vehicle when taxing it:-

Submit the completed documents below to the Motor Taxation Office:

  • Change of particulars Form RF111 – Change of Particular  – available at
  • Original Vehicle Registration Certificate. Please note that if the field J1, on your V.R.C., is not "A" or is blank and
    • seatings positions have been added and the new total including the driver is 9 seatings positions or less;
    • had 10 seating positions or more, seating positions have been removed and the new  total including the driver is 9 seating positions or less
    • converted to motor caravan; declaration is not required however if registered in Ireland as a car or M.P.V. or other EU Category M1 / Revenue Vehicle Registration Tax "A" vehicle

      you should contact the office of the Revenue Commissioners as Revenue must be informed prior to any changes so that they can determine if additional Vehicle Registration Tax (V.R.T.) is due. The Revenue office will then provide you with a letter to submit to your motor taxation office.
  • Vehicle Owner’s Declaration of Conversion (Form VRTCONV) which must be stamped with the official stamp of the Suitably Qualified Individual.
  • Suitably Qualified Individual Declaration of Conversion (Form VRTCONVSQI) which must be drawn up on the headed paper of the Suitably Qualified Individual (S.Q.I.) which must contain the S.Q.I. name and / or business name, address, contact details and tax number.
  • Please note that the Suitably Qualified Individual* (S.Q.I.) must have an:
    • Engineering / Technical Qualification (Level 7 or higher accredited courses) or appropriate accreditation with Engineers Ireland or the Institute of Automobile Engineer Assessors.
    • A minimum of 5 years experience of working in a suitable technical environment (preferably Automotive or Engineering Environment).
    • Access to adequate facilities to carry out a thorough vehicle examination.
    • Appropriate professional indemnity insurance
    • Must be a National Standards Authority of Ireland approved facility - Approved Test Centre (A.T.C.) or approved workshop for Conversion of vehicles for Disabled Drivers.


  • If you intend to tax the vehicle as a light goods / commercial vehicle, please also submit the documents mentioned in the Motor Tax for a Light Goods Vehicle section in addition to the following documentation, as advised to Motor Taxation offices by the Department of Transport.
  •           Before and After photographs of the vehicle showing both the changes and sufficient detail to identify the vehicle.
  •           A detailed description of the work carried out.
  •           An invoice in respect of the work carried out
  •           Where applicable, confirmation from the Revenue Commissioners that any additional Vehicle Registration Tax due has been paid in respect of the vehicle.


* Please note that the Meath Motor Taxation office may request evidence confirming the S.Q.I.'s qualifications

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