Yes, it is valid and legitimate. Unfortunately, for many countries, there is not a more direct way for cities to enforce penalties. So cities like London use private management companies. London uses epcplc, which has bank accounts in each country, to make it easier (and cheaper) for those paying the fines Pay these penalty notices as soon as you can. The cost can increase if you delay paying. Other cities use other comanies. If you are in doubt, check with the city or company website.