Case study 1: The authorization date is September 20, 2017, when the board of directors approved the financial statements.
Case study 2: No, the new facts would not change the authorization date, which remains September 20, 2017.
Case study 3: Yes, ethio telecom should adjust its 2015 financial statements for the court decision in August 2015, as it provides evidence of a condition that existed at the end of the reporting period.
Case study 4: No, ethio telecom should not recognize the inventory write-down in its 2015 financial statements, as the inventory sale agreement in August 2016 is a non-adjusting event