You have "few" clients or a few clients getting this? A few means there are some. Few means almost none. It's relative, of course.

You can read this: "I have had at least four clients in the past week receive letters that make no sense in reference to their 2019 taxes."

Here: https://proconnect.intuit.com/community/proseries-tax-discussions/discussion/can-i-re-e-file-a-tax-r...