Analysis of information sources in references of the Wikipedia article "European vehicle registration plate" in English language version.
When the distinguishing sign is incorporated into the registration plate(s), the following conditions shall apply: [...] When, in addition to the distinguishing sign, a non-numerical symbol and/or a flag and/or a regional or local emblem is displayed on the registration plate, the distinguishing sign of the State of registration shall obligatorily be placed on the far left of the plate