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v3.22.1

Deferred tax assets and liabilities (Tables) | 12 Months Ended
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Dec. 31, 2021
Deferred tax assets and liabilities |
Summary of Recognized Deferred Tax Assets and Liabilities | Deferred tax assets and liabilities at 31 December 2021 and 2020 are attributable to the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Assets | ​ | Liabilities | ​ | Net
​ |  | 2021 |  | 2020 |  | 2021 |  | 2020 |  | 2021 |  | 2020
Property, plant and equipment and intangible assets |  | 412,728 |  | 123,871 |  | (953,814) |  | (2,117,594) |  | (541,086) |  | (1,993,723)
Derivative instruments |  | 5,922 |  | 27,177 |  | (520,298) |  | (407,740) |  | (514,376) |  | (380,563)
Reserve for employee termination benefits and provisions |  | 235,581 |  | 258,675 |  | (19,295) | ​ | (1,362) |  | 216,286 |  | 257,313
Trade and other payables | ​ | 45,314 | ​ | 26,511 | ​ | (1,095) | ​ | (149,827) | ​ | 44,219 | ​ | (123,316)
Tax losses carried forward |  | 1,155,781 |  | 1,101,043 |  | — |  | (3,254) |  | 1,155,781 |  | 1,097,789
Tax allowances |  | 62,692 |  | 5,158 |  | — |  | — |  | 62,692 |  | 5,158
Other assets and liabilities (*) |  | 551,660 |  | 638,991 |  | (104,118) |  | (2,872) |  | 447,542 |  | 636,119
Deferred tax assets/(liabilities) |  | 2,469,678 |  | 2,181,426 |  | (1,598,620) |  | (2,682,649) |  | 871,058 |  | (501,223)
Offsetting |  | (670,066) |  | (1,344,818) |  | 670,066 |  | 1,344,818 |  | — |  | —
Net deferred tax assets/(liabilities) |  | 1,799,612 |  | 836,608 |  | (928,554) |  | (1,337,831) |  | 871,058 |  | (501,223)
​ (*) Mainly comprises of loans, bonds, prepaid expenses and lease liabilities deferred tax assets.
Summary of Movement in Temporary Differences | Movement in deferred tax assets/ (liabilities) for the years ended 31 December 2021 and 2020 were as follows:
​ | ​ | ​ | ​ | ​
​ |  | 2021 |  | 2020
Opening balance |  | (501,223) |  | (976,288)
Income statement charge |  | 1,171,697 |  | 337,495
Tax charge relating to components of other comprehensive income |  | (322,990) |  | 173,113
Acquisition through business combinations | ​ | (48,755) | ​ | —
Exchange differences |  | 572,329 |  | (35,543)
Closing balance, net |  | 871,058 |  | (501,223)
​
Summary of Expiration of Unused Tax Losses | 19. Deferred tax assets and liabilities (continued) Recognized deferred tax assets and liabilities (continued) Unused tax losses will expire at the following dates:
​ | ​ | ​
Expiration Date |  | Amount
2022 |  | 249,297
2023 |  | 369,937
2024 |  | 632,879
2025 |  | 2,198,295
2026 |  | 88,601
2027 |  | 1,078,582
2028 |  | 314,740
2029 | ​ | —
2030 | ​ | 139,958
2031 | ​ | 206,963
Indefinite |  | 89,108
Total |  | 5,368,360

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