Investigation of the effects of the revenue standard from TFRS 15 customer contracts on the financial statements of enterprises operating in the telecommunication sector

Purpose of the study; The definition and explanation of revenue, why TFRS 15 Revenue from Customer Contracts Standard is needed, how it affects the financial statements and how it affects the profit for the period are explained with sample applications. In the first part of this study; The definition and importance of accounting standards, the historical process of International Accounting Standards, the emergence process of the revenue standard, a comparison of the old standard TAS 18 Revenue Standard and the new standard TFRS 15 Revenue Standard. In the second part; the purpose and scope of TFRS 15 Revenue Standard and the 5-step approach of the standard are explained. In the third part, which is the last part; The effect of TFRS 15 Standard on the financial statements of the telecommunications sector was investigated, and the revenue items of some telecommunications companies in our country were separately disclosed, and information was included on the examination of the difference between the effect it created abroad and the effect it created in the domestic financial statements. As a result; the new revenue standard has introduced a different approach to revenue recognition. It is thought to create a perspective and provide convenience for companies operating in the telecommunications sector or for people interested in the subject.