I assume you live in tri city
No. Domiciled and running a business in Katowice. I spend some of my time in Tri City as well. Thanks for the enquiry though. I also run a Katowice registered car here, though others are under the misapprehension that you must change your registration to a different city. If people want to interpret the law in such a way and pay extra charges because they are still afraid of the authorities and believe it to still be an authoritarian system, then that is up to them.
What you are suggesting is, in fact, unenforceable., Please do feel free to report to your local office if you feel a crime has been committed:))