ActiveDocument.AttachedTemplate will fail if the ActiveDocument IS a template.

If the code is sitting in the same template as the building block then you can use
ThisDocument which will work in both the template itself and when attached to activedocument.

In my experience, using the Organizer to change the Save In template doesn't work - despite looking like it should. You need to insert the building block into a document and then create it as a new building block in the correct template.

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Andrew Lockton
Chrysalis Design, Melbourne Australia

That makes sense. I never considered that.

I thought I tried that. But I apparently failed to get the "aPartialWaiver" building block into my WaiverWorksheetV09.dotm template

That sounds like the right approach. But I don't think I have the literacy to understand your comment. Or maybe that's what I ended up doing: I created .docx pages from the QuickParts on my machine, email those pages to my wife, and add them to my wife's Word Building Blocks.

Obviously hard-coding is not a satisfying solution. But it does work. And the only future migration would be to a replacement PC. Which can be done the same way. As mentioned, not very satisfying.