Tools
| As at December 31, 2019 | As at December 31, 2018 | |
| PREPAYMENTS AND DEFERRED EXPENSES | ||
| Client acquisition costs | 41 | 41 |
| Long-term contracts | 18 | 18 |
| Property and tort insurance | 22 | |
| Logistic costs related to purchase of coal | 8 | |
| IT services | 9 | 9 |
| Company Social Benefits Fund | 3 | 3 |
| Other prepayments and deferred expenses | 20 | 17 |
| OTHER CURRENT ASSETS | ||
| Input VAT receivable | 265 | 265 |
| Excise duty receivable | 18 | 18 |
| Prepaid deliveries | 8 | 8 |
| Other current assets | 48 | 49 |
| TOTAL OTHER ASSETS | 457 | 458 |
The amount of input VAT receivable is mainly related to the estimation of sales of electricity not read on the measuring equipment as at the reporting date. The amount of excise duty receivable concerns the exemption from excise duty on electricity produced from renewable energy sources, on the basis of a document confirming the surrender of a certificate of energy origin.
ACCOUNTING POLICIES
Client acquisition costs
Costs incurred prior to contract execution related to performance of its subject matter are classified as other assets and recognised as prepayments if it is likely that future revenue from the customer will cover these costs.
As at December 31, 2019 and December 31, 2018, the Group recognised the following costs settled over time:
| Year ended December 31, 2019 | Year ended December 31, 2018 | |
| AS AT JANUARY 1 | 143 | 125 |
| Capitalised incremental costs of obtaining a contract | 49 | 56 |
| Amortisation and depreciation | (43) | (38) |
| Other changes | (1) | – |
| AS AT DECEMBER 31 | 148 | 143 |
| Current | 44 | 41 |
| Non-current | 104 | 102 |
Incremental costs of obtaining a contract comprise mainly agency commissions for client acquisition or retention.
An asset is amortised on a systematic basis that is consistent with the transfer to the customer of the goods or services to which the asset relates.
