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PROVISION FOR ENVIRONMENTAL LIABILITIES AND ASSET RETIREMMENT OBLIGATIONS (Tables)
 12 Months Ended
Dec. 31, 2021
Provision For Environmental Liabilities And Asset Retiremment Obligations  
The balance of provisions for environmental liabilities and deactivation of assets can be shown as follows:

The balance of provisions for environmental liabilities and deactivation of assets can be shown as follows:

 

      Consolidated
  12/31/2021   12/31/2020
Environmental liabilities 173,647   192,830
Asset retirement obligations (1) 724,950   611,005
  898,597   803,835
(1)On January 31, 2021, the provision fot assets retirement obligation – ARO was transferred to the subsidiary CSN Cimentos S.A.