A COPY OF SOME OFFICIAL DOCUMENT (OFFICIAL GAZETTE, COMPANY REGISTER ETC.) SHOWING THE NAME OF THE LEGAL ENTITY, THE ADDRESS OF THE HEAD OFFICE AND THE REGISTRATION NUMBER (2). GIVEN TO IT BY THE NATIONAL AUTHORITIES.
http://ec.europa.eu/competition/calls/2014_judges/annex5_pri...

legal entity
An association, corporation, partnership, proprietorship, trust, or individual that has legal standing in the eyes of law. A legal entity has legal capacity to enter into agreements or contracts, assume obligations, incur and pay debts, sue and be sued in its own right, and to be held responsible for its actions.
http://www.businessdictionary.com/definition/legal-entity.ht...

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Note added at 1 hr (2014-09-02 10:15:00 GMT)
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ili „legal person“ (name of the legal person):

EVRONIM
SR правно лице
EN legal person
Termin – referenca 12007P Charter of Fundamental Rights of the European Union
( http://prevodjenje.seio.gov.rs/evronim/index.php?jezik=srpl )

A legal person is not an individual person, but is an organisation recognised in the eyes of the law as having a distinct personality from the individuals who are its members, directors or partners. If such a legal person is to be the ‘responsible person’, the full name of the legal person, its status in law (e.g. public limited company, partnership), registration number if a company and contact address should be inserted where indicated.
http://www.google.rs/url?sa=t&rct=j&q=&esrc=s&source=web&cd=...