Existing Wording: Element definition: The date (and optionally time) when the code system was published. The date must change when the business version changes and it must change if the status code changes. In addition, it should change when the substantive content of the code system changes.

Comment:

This date cannot be used for more than one purpose, publish date, change date, etc. The use of this element and any other dates (provenance, meta, etc.) should be aligned and clarified.

Summary:

Use of dates should be aligned and clarified