Complex sentence: The municipality of Uherský Brod, which deals with such misdemeanors, didn't register them and thus Kovář had an apparently clean history, which satisfied the requirements and he had his license renewed.
Split into simpler sentences: The municipality of Uherský Brod, which deals with such misdemeanors, didn't register them and thus Kovář had an apparently clean history. In turn, this satisfied the requirements and he had his license renewed.