E. This Convention shall not apply to a person who is recognized by the
competent authorities of the country in which he has taken residence as
having the rights and obligations which are attached to the possession of the
nationality of that country.

1. The Contracting States shall not impose penalties, on account of their
illegal entry or presence, on refugees who, coming directly from a territory
where their life or freedom was threatened in the sense of article 1, enter or
are present in their territory without authorization, provided they present
themselves without delay to the authorities and show good cause for their
illegal entry or presence.

1. No Contracting State shall expel or return (“refouler”) a refugee in any
manner whatsoever to the frontiers of territories where his life or freedom
would be threatened on account of his race, religion, nationality, membership
of a particular social group or political opinion.

A. For the purposes of the present Convention, the term "refugee" shall apply to any person who:

(1) Has been considered a refugee under the Arrangements of 12 May 1926 and 30 June 1928 or under the Conventions of 28 October 1933 and 10 February 1938, the Protocol of 14 September 1939 or the Constitution of the International Refugee Organization;

Decisions of non-eligibility taken by the International Refugee Organization during the period of its activities shall not prevent the status of refugee being accorded to persons who fulfil the conditions of paragraph 2 of this section;

(2) As a result of events occurring before 1 January 1951 and owing to well-founded fear of being persecuted for reasons of race, religion, nationality, membership of a particular social group or political opinion, is outside the country of his nationality and is unable or, owing to such fear, is unwilling to avail himself of the protection of that country; or who, not having a nationality and being outside the country of his former habitual residence as a result of such events, is unable or, owing to such fear, is unwilling to return to it.

http://www2.ohchr.org/english/law/refugees.htm