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TRADE ACCOUNTS PAYABLE (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Trade accounts payable |  |
Trade accounts payable | R$ 2,361,098 | R$ 2,376,459
Pulp | Klabin S.A. |  |
Trade accounts payable |  |
Trade accounts payable |  | 936,887
Domestic (Brazil) | Related parties |  |
Trade accounts payable |  |
Trade accounts payable | 2,849 | 2,477
Domestic (Brazil) | Third parties |  |
Trade accounts payable |  |
Trade accounts payable | 1,865,632 | 1,288,775
Foreign | Third parties |  |
Trade accounts payable |  |
Trade accounts payable | R$ 492,617 | R$ 1,085,207

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