Zásady správy daní a daňového práva v praxi

This thesis deals with main principals of tax administration and tax law, their compliance or violating in particular situations. Presenting of their content and real meaning is provided by description and explanation of their (wrong) application under various circumstances. The Supreme Administrative Court´s case laws and jurisprudence of the Constitutional Court are significant sources of information in this part. Along with accompanying effects arising from violating the principles this thesis continues with analysis of Working pensioners affair, especially the case n. Pl. ÚS 31/13. Here the provision of § 35ba art. 1 l. a) Income Tax Act has been contested according to which the tax of a taxpayer, who is a recipient of an old-age pension benefits from statutory pension insurance scheme or similar abroad one at 1st January of the taxable period, shall not be reduced by the basic amount of 24 840 CZK. There are not omitted demographical, legal and economic aspects of the affair in this thesis as well as relevant regulatory development for the years 2000 to 2015. The thesis brings evaluation of compliance or violating of the principles of tax administration and tax law through the analysis of key elements in own review.