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INCOME TAX (Tables) | 6 Months Ended
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Jun. 30, 2022
Major components of tax expense (income) [abstract] |
Summary of Major Components of Income Tax Expense (Benefit) |
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2022 |  | 2021 |  | 2022 |  | 2021
Current tax expense | 54 |  |  | 509 |  |  | 516 |  |  | 1,109 |
Deferred tax charge (benefit) (Note 15) | 76 |  |  | 73 |  |  | (17) |  |  | 139 |
| 130 |  |  | 582 |  |  | 499 |  |  | 1,248 |
Summary of Reconciliation of Income Tax Expense (Benefit) | For three and six month ended June 30, 2022, the effective tax rate of the Group amounted to 69.9% and 9.9%, respectively (2021: 19.2% and 15.3%) as follows:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2022 |  | 2021 |  | 2022 |  | 2021
Income before tax | 186 |  |  | 3,027 |  |  | 5,041 |  |  | 8,159 |
Tax expense (credit) | (269) |  |  | 151 |  |  | 366 |  |  | 408 |
Tax effects of: |  |  |  |  |  |  |
Disallowed expenses | 205 |  |  | 140 |  |  | 482 |  |  | 246 |
Movements in temporary differences | 193 |  |  | (16) |  |  | (352) |  |  | (79) |
Income subject to other tax rates | — |  |  | 309 |  |  | — |  |  | 669 |
Other | 1 |  |  | (2) |  |  | 3 |  |  | 4 |
| 130 |  |  | 582 |  |  | 499 |  |  | 1,248 |

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