We don’t have NAmU status for any of our accounts, thank goodness, but as I’ve mentioned before - both here in the SAS & back in the OSFE days - we’ve had mere pittances like this show up for the Canadian Global Marketplace (we don’t have Mexico @ all) over the years.
Were I to face the scenario that you describe with wanting to close the slow account, I’d probably be inclined to tack along the path mentioned here: