You can't put any lines of code after the Close command. Once that's issued the form shuts down. You can do it from outside the form, like in a global module, but not in a form module.

Hmmm...  Mine  has been working like a champ.

You can't put any lines of code after the Close command.
Agreed.  Nothing after the close other than the open form.
The close then open are right back to back and the code completes just fine (for years).  Maybe I've just been lucky.
Wouldn't surprise me that I was told wrong (or read wrong) I honestly don't remember where I learned it.  I just know it wasn't you.  Try it though.  Reverse it and it still completes and runs successfully.

It MIGHT work in certain situations. I just tried it with two forms. In my CustomerF, I put:

Docmd.Close (me)
Docmd.Open "ContactF"

And it did work. It shut down the CustomerF and opened ContactF, but I wouldn't rely on this to work 100% of the time. I've seen many instances where it will not run. I'd have to do more experimenting to find a specific example, but as a matter of good practice you should always open another form before closing the one you're on.

Thanks for indulging me.  You've been at this a whale of a lot longer than I so I will defer to your knowledge.
I wasn't saying you were wrong just that I might have been taught wrong.

I get it... and you weren't wrong either. It works... sometimes. And then it doesn't. :)