There’s plenty of software that does this sort of thing, often industry specific but plenty that aren’t. You don’t see it “as code” in the raw like this article wants mainly because a company doesn’t deal with this information in such a non-integrated way, they do so as part of a more integrated whole. Monolithic ERP suites are probably the best example, and when done well it really does make a whole host of things easier and more seamless, like compliance modules that run defined routines that track with policy as implemented in operational modules.