Required fields for Creating an Account
For account set up, the email is used so that the customer can log in to their account (it’s a login name), shop, charge their credit card on file, and receive emails (so in case they forget their password, it can be reset and sent to their email address), receive receipts, receive newsletters, and marketing of the latest sales and deals or events at the winery
As of February 2021, Changing Required Fields in Admin does not impact the POS, the only required fields for POS are First Name, Last Name, and Email address.