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Tax situation - Income tax expense (benefit) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Income tax |  |  |
Deferred | $ (26,312) | $ (15,592) | $ (44,046)
Supplementary retirement fund |  |  |
Income tax expense reported in the statements of comprehensive income | 42,994 | 41 | (23,671)
Sociedad Minera Cerro Verde S.A.A. |  |  |
Income tax |  |  |
Current | 582,438 | 445,078 | 704,454
Deferred | (30,640) | 63,649 | 31,249
income tax expense (benefit) | 551,798 | 508,547 | 735,703
Mining taxes |  |  |
Current mining royalty and special mining tax | 96,082 | 88,224 | 144,895
Supplementary retirement fund |  |  |
Current | 7,467 | 6,371 | 8,828
Deferred | (302) | 751 | 385
Total Supplementary retirement fund | 7,165 | 7,122 | 9,213
Income tax expense reported in the statements of comprehensive income | $ 551,798 | $ 508,547 | $ 735,703

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