This page is included in the 'informative' portion of the specification to help explain to implementers how the proposed specification fits within the regulatory space (as it's a very regulation-sensitive topic). The language has been reviewed and approved by CMS. We will make it clearer that this page is informative, not normative. We will also make clear that the content here is advisory only and that implementers should always consult the full regulations if they have questions/concerns.