What did the Napoleonic Code standardize?

The court system was standardized. All judges were appointed by the national government in Paris. First page of the 1804 original edition of the Napoleonic Code. The Napoleonic Code was not the first legal code to be established in a European country with a civil legal system.

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.