REPUBLIC OF BULGARIA
GRAND NATIONAL ASSEMBLY
Promulgated, State Gazette No.48/1991, with many amendments, the last one from SG, No.84/2000
(1) A trade name shall be the name under which a merchant shall carry on its business and under which it shall sign.
(2) In addition to the necessary content established by law, a trade name may also denote the purposes of a business, the names of the partners, and a freely chosen extension. A trade name must correspond to the truth, must not deceive, and must not be offensive to public order and morals.
(3) The merchant shall mandatorily inscribe its trade name in Bulgarian. It may additionally inscribe it in a foreign language.
Source: Unofficial translation