| Amounts in US$ '000 | | 2017 | | 2016 | | 2015 | | |||
| Current tax | | | (48,449) | | | (12,359) | | | (7,262) | |
| Deferred income tax (Note 18) | | | 5,304 | | | 555 | | | 24,316 | |
| | | | (43,145) | | | (11,804) | | | 17,054 | |
| Amounts in US$ '000 | | 2017 | | 2016 | | 2015 | | |||
| Profit (Loss) before tax | | | 25,308 | | | (48,842) | | | (301,620) | |
| Tax losses from non-taxable jurisdictions | | | 22,708 | | | 12,318 | | | 15,852 | |
| Taxable profit (loss) | | | 48,016 | | | (36,524) | | | (285,768) | |
| | | | | | | | | | | |
| Income tax calculated at domestic tax rates applicable to Profit (Losses) Income in the respective countries | | | (31,107) | | | (809) | | | 62,589 | |
| Tax losses where no deferred tax benefit is recognised | | | (8,111) | | | (6,616) | | | (16,325) | |
| Effect of currency translation on tax base | | | (2,330) | | | (2,840) | | | (6,776) | |
| Changes in the income tax rate (Note 16) | | | 542 | | | 220 | | | (625) | |
| Non recoverable tax loss carry-forwards | | | - | | | - | | | (15,537) | |
| Non-taxable results (a) | | | (2,139) | | | (1,759) | | | (6,272) | |
| Income tax | | | (43,145) | | | (11,804) | | | 17,054 | |
| (a) | Includes non-deductible expenses in each jurisdiction and changes in the estimation of deferred tax assets and liabilities. |
| Amounts in US$ '000 | | 2017 | | 2016 | | 2015 | | |||
| Argentina | | | 4,849 | | | 2,908 | | | 3,834 | |
| Chile (a) | | | 345,104 | | | 280,290 | | | 209,910 | |
| Brazil (a) | | | 33,721 | | | 16,057 | | | - | |
| Total tax losses at 31 December | | | 383,674 | | | 299,255 | | | 213,744 | |
| Expiring date | | Amounts in US$ '000 | | |
| 2020 | | | 754 | |
| 2021 | | | 1,446 | |
| 2022 | | | 2,649 | |