13. Explanatory notes to the Statement of profit or loss and other comprehensive income
13.1 Sales revenues
13.2 Sales revenues by operating segments in division on assortments
13.3 Sales revenues geographical division – disclosed by customer’s premises countries
13.4 Revenue from contracts with customers by type of contract
13.5 Revenue from contracts with customers by date of transfer
13.6 Revenue from contracts with customers by duration of contract
13.7 Refining Segment
13.8 Costs
13.9 Other operating income
13.10 Other operating expenses
13.11 Finance income and costs
13.12 (Loss)/reversal of loss due to impairment of trade receivables and of loans and interest on trade receivables
13.13 Tax expense