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Provision for Asset Retirement Obligation - Fuel Tanks (Tables)

12 Months Ended

Dec. 31, 2019

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Changes in the provision for asset retirement obligation

Changes in the provision for asset retirement obligation are as follows:

Balance as of December 31, 2016			77,564
Additions (new tanks)			537
Expense with tanks removed			(15,432	)
Accretion expense			2,105
Balance as of December 31, 2017			64,774
Additions (new tanks)			264
Expense with tanks removed			(12,752	)
Accretion expense			2,381
Balance as of December 31, 2018			54,667
Additions (new tanks)			290
Expense with tanks removed			(5,456	)
Accretion expense			1,741
Balance as of December 31, 2019			51,242
Current			3,847
Non-current			47,395

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- Definition

An entity shall disclose information about the assumptions it makes about the future, and other major sources of estimation uncertainty at the end of the reporting period, that have a significant risk of resulting in a material adjustment to the carrying amounts of assets and liabilities within the next financial year.

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