The main objective of this work was to theoretically analyze the accounting policies of amortization towards accounting and tax regulations, and to apply it to examples. In the empirical section of this work the influence of various accouting policies of amortization through the application of different methods of calculating amortization on financial statements and financial indicators using selected enterprises as examples is researched. In the theoretical portion the important elements for determining amortization such as the time of usage and the rate of amortization, the amount of amortization and the methods of determining amortization according to accounting and tax regulations, as well as how the fee of amortization is determined and evidenced in accounting according to tax regulations and certain specifications which are found in accounting are analyzed. In the empirical portion of this work research was done as to the influence of the accounting policies of amortization, which includes determination of amortization (the linear method and the method of falling balance), on financial reports and financial indicators and the analysis of the results gained. On the basis of the research carried out concluded that in using various methods in order to calculate amorization one may acquire various information about the state of assets and capital in balance statements, as well as various information about the success of a firm as viewed through checks and balances in income statements. Through financial indicators the application of various methods of amortization calculation influences the result; the indicator of cover of the expenses of interest and the factor of indebtedness is, in some cases, negligible, in others clear.