CMS posted an update to the LTC Survey Process on Monday, January 4, 2021.  The Revision History for LTC Survey Process Documents and Files shows these additions to the Survey Resources folder:

You’ll find the Survey Resources folder beneath Downloads on the update page (see link above chart).

Subscribers to Briggs’ LTC Survey Guide -1766 and Briggs’ LTC Survey Guide eManual – 1766E will receive these updates shortly via email notification.