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Income tax (Tables) | 12 Months Ended
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Dec. 31, 2022
Income tax |
Schedule of Components of Income Tax | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
Amounts in US$ ‘000 | ​ | 2022 | ​ | 2021 | ​ | 2020
Current income tax charge | ​ | (125,786) | ​ | (49,291) | ​ | (41,927)
Deferred income tax charge (Note 18) | ​ | (44,688) | ​ | (17,980) | ​ | (5,936)
​ | ​ | (170,474) | ​ | (67,271) | ​ | (47,863)
​
Summary of Income Tax Reconciliation | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
Amounts in US$ ‘000 | ​ | 2022 | ​ | 2021 | ​ | 2020
Profit (Loss) before tax | ​ | 394,909 | ​ | 128,398 | ​ | (185,087)
Tax losses from non-taxable jurisdictions | ​ | 53,005 | ​ | 91,351 | ​ | 53,652
Taxable profit | ​ | 447,914 | ​ | 219,749 | ​ | (131,435)
​ | ​ |  | ​ |  | ​ |
Income tax calculated at domestic tax rates applicable to Profit in the respective countries | ​ | (157,315) | ​ | (71,086) | ​ | 12,450
Tax losses where no deferred income tax benefit is recognized | ​ | (2,832) | ​ | (7,510) | ​ | (23,117)
Effect of currency translation on tax base | ​ | (10,797) | ​ | (10,354) | ​ | (923)
Effect of inflation adjustment for tax purposes | ​ | — | ​ | 2,482 | ​ | (867)
Changes in the income tax rate (Note 16) | ​ | (3,820) | ​ | (1,703) | ​ | (925)
Write-down of deferred income tax benefits previously recognized (a) | ​ | (2,938) | ​ | (7,261) | ​ | (32,565)
Previously unrecognized tax losses | ​ | 9,067 | ​ | 9,593 | ​ | —
Income tax on dividends (b) | ​ | (3,038) | ​ | — | ​ | —
Fiscal recognition of property, plant and equipment | ​ | — | ​ | 8,919 | ​ | —
Non-taxable results (c) | ​ | 1,199 | ​ | 9,649 | ​ | (1,916)
Income tax | ​ | (170,474) | ​ | (67,271) | ​ | (47,863)
(a) | Includes write-down of the deferred income tax asset in Peru due to the decision to retire from the Morona Block (see Note 36.4.1) in 2020, and write-down of a portion of tax losses and other deferred income tax assets in Chile, Brazil and Argentina where there is insufficient evidence of future taxable profits to offset them, in accordance with the expected future cash-flows as of December 31, 2022, 2021 and 2020.
(b) | Includes income tax payable in Spain due to dividends received from subsidiaries. See Note 16.
(c) | Includes non-deductible expenses and non-taxable gains in each jurisdiction.
Summary of Tax Losses Accumulated | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
Amounts in US$ ‘000 |  | 2022 |  | 2021 |  | 2020
Colombia (a) |  | 4,837 | ​ | 15,557 | ​ | 16,493
Chile (a) |  | 323,929 |  | 285,456 |  | 403,258
Brazil (a) |  | 26,736 |  | 26,781 |  | 32,452
Argentina (b) |  | 24,065 |  | 35,773 |  | 20,734
Spain (a) |  | 7,205 | ​ | 9,443 | ​ | 9,694
Total tax losses as of December 31 |  | 386,772 |  | 373,010 |  | 482,631
(a) | Taxable losses have no expiration date.
(b) | Tax losses accumulated as of December 31, 2022 are: US$ 994,000, US$ 4,757,000, US$ 3,285,000, US$ 10,496,000 and US$ 4,533,000 expiring in 2023, 2024, 2025, 2026 and 2027, respectively.
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