Deloitte is a global network of partnerships, which has a corporate structure with liability rules that are different from a regular corporation.

You can read more about it: https://en.wikipedia.org/wiki/Deloitte#Legal_structure

Yes, that link was trivial to find. But it does not expound on how the decision making process works. Each nation’s Deloitte organization is presumably able to avoid blame for actions done in any other nation, so the question is are they all operated completely independently? Is there no hierarchy above the national level?