Polish legislation does not contain the act which would comprehenisively regulate numerous and diversified problems connected with advertising activity. The author distinguishes the following grounds of legal regulation of advertising activity: 1) general principles of law and legislation, principles of social co- -existence and constitutional norms; 2) norms contained in particular branches of law, e.g. in civil, penal and copyright law, wich may find application in advertising activity; 3) provisions enacted specifically for advertising activity. Besides, three interdictions should be observed in advertising activity: an interdiction to infringe law, to infringe accepted customs and an interdiction to disinform. The author reject...