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Bonds and Securities (Tables)
12 Months Ended
Dec. 31, 2023
Bonds And Securities  
Schedule of bonds and securities
     
Category Index 12.31.2023 12.31.2022
Units in Funds (a)  CDI  410,012 353,454
Bank Deposit Certificates - CDB  96% to 101% of CDI    85,483   77,602
    495,495 431,056
  Current  4,763 93
  Noncurrent 490,732 430,963

Interbank Deposit Certificate - CDI

(a)These are mostly reserve accounts intended for the fulfillment of contracts with the BNDES.