Papua New Guinea

WE HEREBY ACKNOWLEDGE that, subject to any restrictions imposed by law on noncitizens, all persons in our country are entitled to the fundamental rights and freedoms of the individual, that is to say, the right, whatever their race, tribe, places of origin, political opinion, colour, creed or sex, but subject to respect for the rights and freedoms of others and for the legitimate public interest, to each of the following:-
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(e) freedom of employment and freedom of movement;
… (Preamble, Basic Rights)

(1) Every person has the right to freedom of choice of employment in any calling for which he has the qualifications (if any) lawfully required, except to the extent that that freedom is regulated or restricted voluntarily or by a law that complies with Section 38 (general qualifications on qualified rights), or a law that imposes restrictions on non-citizens.
… (Sec. 48)

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(2) The functions and powers available to the Bougainville Government in and in relation to Bougainville are the following:-
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(zc) labour and employment (other than industrial relations);
… (Sec. 290)