Your User ID is the email address that you use to login with (the same email address you used to register your efiling account with). When an error message on the website references your "User ID," they are referencing that email address.
Your User ID is the email address that you use to login with (the same email address you used to register your efiling account with). When an error message on the website references your "User ID," they are referencing that email address.