3
(d) The term "worker on an offshore installation" refers to a migrant worker employed on an offshore
installation that is under the jurisdiction of a State of which he or she is not a national;
(e) The term "itinerant worker'' refers to a migrant worker who, having his or her habitual residence in
one State, has to travel to another State or States for short periods, owing to the nature of his or her
occupation;
(f) The term "project-tied worker" refers to a migrant worker admitted to a State of employment for a
defined period to work solely on a specific project being carried out in that State by his or her
employer;
(g) The term "specified-employment worker" refers to a migrant worker:
(i) Who has been sent by his or her employer for a restricted and defined period of time to a State of
employment to undertake a specific assignment or duty; or
(ii) Who engages for a restricted and defined period of time in work that requires professional,
commercial, technical or other highly specialized skill; or
(iii) Who, upon the request of his or her employer in the State of employment, engages for a restricted
and defined period of time in work whose nature is transitory or brief; and who is required to depart
from the State of employment either at the expiration of his or her authorized period of stay, or earlier
if he or she no longer undertakes that specific assignment or duty or engages in that work;
(h) The term "self-employed worker" refers to a migrant worker who is engaged in a remunerated
activity otherwise than under a contract of employment and who earns his or her living through this
activity normally working alone or together with members of his or her family, and to any other
migrant worker recognized as self-employed by applicable legislation of the State of employment or
bilateral or multilateral agreements.
Article 3
The present Convention shall not apply to: (a) Persons sent or employed by international organizations
and agencies or persons sent or employed by a State outside its territory to perform official functions,
whose admission and status are regulated by general international law or by specific international
agreements or conventions;
(b) Persons sent or employed by a State or on its behalf outside its territory who participate in
development programmes and other co-operation programmes, whose admission and status are
regulated by agreement with the State of employment and who, in accordance with that agreement,
are not considered migrant workers;
(c) Persons taking up residence in a State different from their State of origin as investors;
(d) Refugees and stateless persons, unless such application is provided for in the relevant national
legislation of, or international instruments in force for, the State Party concerned;
(e) Students and trainees;
(f) Seafarers and workers on an offshore installation who have not been admitted to take up residence
and engage in a remunerated activity in the State of employment.