From the linked PDF:
The December 30, 2021 Marshall and Middle Fork Fires were the most devastating fires in Colorado history. While some fires were still burning or smoldering, subsequent heavy snowfall and freezing temperatures may have caused additional damage to the homes.Colorado Bulletin B-5.43 – Marshall and Middle Fork Fires
With more than 1,000 residential and commercial structures damaged or destroyed, the recovery process will be lengthy with Colorado consumers being displaced for an extended period of time.
The purpose of this Bulletin is to inform insurers of the Division’s position concerning claim handling for policyholders who have suffered a loss from these fires.