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15. TRADE ACCOUNTS PAYABLE (Tables)
 12 Months Ended
Dec. 31, 2020
Trade Accounts Payable  
Schedule of trade and accounts payable
   
  12.31.20   12.31.19
Domestic suppliers      
Third parties  7,611,170    4,930,424
Foreign suppliers      
Third parties  1,487,206   915,611
(-) Adjustment to present value (88,389)   (49,269)
   9,009,987    5,796,766
       
Current  8,996,206    5,784,419
Non-current  13,781    12,347