Lodas, The CRS notices were directly sent to your e-mail specified for your TD Ameritrade accounts. The CRS notices came from 'communications.tdameritrade.com.
It looks like TDA is working overtime today. My friend tried to open his account this morning and found the attached important message than his account was blanked.
Important: Problematic or missing trade activity was found. Before continuing, run the GainsKeeper Check-up. Fri Jan 01 2021 5:34:04 AM EST