Posted: Wed Mar 27, 2019 6:03pm
You're doing the right thing, Vicky, but your gestor should have spotted it. I really don't know what to suggest, as your car obviously doesn't at the moment comply with Spain/EU regulations.
There are only two things you can do, and those are to remove the tinting, assuming it's a film that has been applied, or to find an authorised company who do tinting and ask them to certify it. I wasn't aware of the need for labels, but I suppose it's an easy way to inform the ITV station that the job has been done properly.
Unfortunately, I don't know of any authorised installers, and just hope that someone in your area does know.
If all else fails, you could contact someone local to me and see if they could help:
www.spanish-number-plates.com