While there are similarities in the way things work internationally, each country also has its own idiosyncratic elements, reflecting its legal and banking history. The arrangements overlap and intersect at various points, and I have more than once heard them described as spaghetti. Of course, there is nothing wrong with serving spaghetti as long as you know how to handle it.
First, SWIFT has requested that the information it provides to the central banks in the context of oversight must only be used for oversight purposes.