In reference to the Implementation of Standard GSO 42:2015 regarding emission levels for 2018 models, kindly find below clarifications on implementation process and timelines:
| No | Vehicle Model year | Final Registration/Dispensing in UAE's | Conditions |
| 1 | Model Year 2017 and earlier | Not Applicable | Shall have a valid GSO Conformity Certificate |
| 2 | Model Year 2018 (non-Compliance to Euro IV) | 31st March 2018 | Shall have a valid GSO Conformity Certificate issued earlier than 1st July 2017. For those Models a new GSO Certificate shall be gained for model 2018 (including Euro IV compliance) before 31st December 2017 to all importation of vehicles. |
| 3 | Model Year 2018 (Compliance to Euro IV) | 1st January 2018 and onward | Shall have a valid GSO Conformity Certificate before 1st of January 2018 |
Also, it is noted that All Vehicles imported to the UAE shall have a valid GSO conformity Certificate as per the following conditions:
- Following GSO Notification dated 1st June 2017 regarding enforcement of Emission Levels.
- Following GSO notification dated 15th of June 2017 regarding certificate types and applicability to GCC member countries.