&quot;The common EU format of having a blue section on the extreme left with EU circle of stars and the country code was introduced by Council Regulation (EC) No 2411&#x2F;98 of 3 November 1998[1] and entered into force on the 11 November 1998.&quot;<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Vehicle_registration_plates_of_the_European_Union" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Vehicle_registration_plates_of...</a><p>Maybe not all countries adopt the EU standard, but it makes sense that there is an &quot;eu&quot; mode.