Komparativní analýza vykazování změn účetních metod a oprav účetních chvb u velkých českých společností

The following thesis deals with the development of the accounting of corrections of the accounting errors of previous years and changes in accounting methods from the beginning of financial accounting in the Czech Republic through the processing of many interpretations by the National Accounting Board, up to the current modification, which was an amendment to the Decree No. 500/2002 Coll., which transposed certain provisions of Act No. 563/1991 Coll., which came into force on January 1, 2013. Thanks to this decree, the account Restatements of retained earnings results, in the case of a correction of an error and a change in the accounting method, in a better understanding of the financial statements than it did before the issue was addressed through extraordinary costs or revenues in the current accounting period. In addition as practical part, this thesis composes also of a research from the financial statements of large Czech companies focusing on the frequency of use of the new item in the balance sheet for 2015, the reason of the using and explanation in supplement to the financial statements, including the method of settling the final balance of the account from previous years. The research also dealt with the auditor's response to the found deficiencies. The last part of the thesis is a comparative analysis of research conducted during the years of 2013, 2014 and 2015.