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29 Provisions for Legal Claims and Contingent Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2019
Provisions For Legal Claims And Contingent Liabilities [Abstract] |
Schedule of changes in provisions for litigation | 29.1.1 Changes in provision for legal claims rated as involving probable losses
|  | Income |  |  |  |
| Balances as of | Provision for litigations | Construction cost | Additions (Reversals) |  | Transfers/ | Balances as of
| January 1, 2019 | Additions | Reversals | Additions/(Rev.) | to assets | Discharges | Others | December 31, 2019
Tax |  |  |  |  |  |  |  |
Cofins (a) | 102,603 | 4,307 | (2,626) | - | - | - | - | 104,284
Others (b) | 54,494 | 4,841 | (14,258) | - | - | (1,258) | 27,687 | 71,506
| 157,097 | 9,148 | (16,884) | - | - | (1,258) | 27,687 | 175,790
Labors (c) | 612,782 | 194,550 | (23) | - | - | (134,247) | - | 673,062
Employee benefits (d) | 85,199 | 27,426 | (18,747) | - | - | (7,581) | - | 86,297
Civil |  |  |  |  |  |  |  |
Civil and administrative claims (e) | 492,934 | 101,438 | (36,271) | - | - | (221,139) | - | 336,962
Easements (f) | 118,147 | 711 | (3,470) | 12,456 | 1,012 | (1,891) | 45 | 127,010
Expropriations and property (g) | 116,401 | 2,844 | (4,501) | (2,935) | 7,109 | (161) | - | 118,757
Customers (h) | 5,209 | 390 | (643) | - | - | - | - | 4,956
Environmental (i) | 3,531 | 1,332 | (566) | - | - | (226) | - | 4,071
| 736,222 | 106,715 | (45,451) | 9,521 | 8,121 | (223,417) | 45 | 591,756
Regulatory (j) | 73,473 | 7,926 | (546) | - | - | (1,045) | - | 79,808
| 1,664,773 | 345,765 | (81,651) | 9,521 | 8,121 | (367,548) | 27,732 | 1,606,713
Noncurrent | 1,664,773 |  |  |  |  |  |  | 1,606,713
|  | Income |  |  |  |
| Balance as of January 01,2018 | Provision for litigations | Construction cost | Asset additions | Discharges | Transfers / Others | Balance as of December 31,2018
| Additions | Reversals | Additions/ (Rev.)
Tax |  |  |  |  |  |  |  |
Cofins (a) | 79,748 | 22,855 | - | - | - | - | - | 102,603
Others (b) | 58,793 | 7,722 | (26,695) | - | - | (6,325) | 20,999 | 54,494
| 138,541 | 30,577 | (26,695) | - | - | (6,325) | 20,999 | 157,097
Labors (c) | 475,631 | 232,195 | (2,400) | - | - | (92,644) | - | 612,782
Employee benefits (d) | 89,439 | 11,089 | (10,062) | - | - | (5,267) | - | 85,199
Civil |  |  |  |  |  |  |  |
Civil and administrative claims (e) | 527,613 | 119,633 | (118,652) | - | - | (36,005) | 345 | 492,934
Easements (f) | 110,936 | 2,179 | (305) | (4,600) | 8,477 | (1,474) | 2,934 | 118,147
Expropriations and property (g) | 95,627 | 156 | (1,350) | 4,032 | 18,168 | (232) | - | 116,401
Consumers (h) | 8,377 | 464 | (1,469) | - | - | (2,163) | - | 5,209
Environmental (i) | 1,584 | 2,570 | (562) | - | - | (61) | - | 3,531
| 744,137 | 125,002 | (122,338) | (568) | 26,645 | (39,935) | 3,279 | 736,222
Regulatory (j) | 64,316 | 9,296 | (139) | - | - | - | - | 73,473
| 1,512,064 | 408,159 | (161,634) | (568) | 26,645 | (144,171) | 24,278 | 1,664,773
Current | 112,000 |  |  |  |  |  |  | -
Noncurrent | 1,400,064 |  |  |  |  |  |  | 1,664,773
Schedule of contingent liabilities | The following information concerns the nature of contingent liabilities of the Company and potential losses arising therefrom:
| 12.31.2019 | 12.31.2018
Tax (a) | 628,546 | 568,512
Labor (29.1.2 - c) | 419,917 | 311,777
Employee benefits (29.1.2 - d) | 21,338 | 19,099
Civil (d) | 1,273,928 | 1,286,466
Regulatory (e) | 1,141,420 | 866,836
| 3,485,149 | 3,052,690

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