Konvergence účetního a daňového systému

This thesis deals with the relationship between accounting and corporate income tax, it explains their different purposes and the way of control from the national and international point of view. The analysis of several countries shows the possible levels of cohesion of the accounting and tax system. Then the advantages and disadvantages of their close connection are discussed. The following part of the thesis describes the problems of calculation of the tax base from the trading income taken from accounting. Great attention is given to the tax deductible expenses and their minimisation (tax optimization). The final section is occupied with the principle of tax payable and deferred tax.