The thesis focuses on new marketing communication techniques. Their appearance is triggered mainly by technological progress and consumers' immunity to existing methods. Despite business ethics being part of commercial activities of majority of companies and business activities, not seldom do these upcoming and non-standard methods cross the boundaries of law and ethics. This business ethics has institutionalized itself into ethics codes. The thesis provides insight into the issue of the system of legal regulations of advertising in the Czech Republic. The regulation of ethics is executed by "Rada pro reklamu" as so-called self-regulation. The bodies of "RPR", its activity and also the "Code" and its practical application are detailed. The regulation of ethics concerning Public Relations is also involved. Trends are illustrated by many examples from real life.