Papua New Guinea

Nothing in this Part invalidates an emergency law as defined in Part X (emergency powers), but nevertheless so far as is consistent with their purposes and terms all such laws shall be interpreted and applied so as not to affect or derogate a right or freedom referred to in this Division to an extent that is more than is reasonably necessary to deal with the emergency concerned and matters arising out of it, but only so far as is reasonably justifiable in a democratic society having a proper regard for the rights and dignity of mankind. (Sec. 40)

(1) Notwithstanding anything to the contrary in any other provision of any law, any act that is done under a valid law but in the particular case-
(a) is harsh or oppressive; or
(b) is not warranted by, or is disproportionate to, the requirements of the particular circumstances or of the particular case; or
(c) is otherwise not, in the particular circumstances, reasonably justifiable in a democratic society having a proper regard for the rights and dignity of mankind, is an unlawful act.
… (Sec. 41)

(1) Subject to this Part, an emergency law may make provision for the peace, order and good government of the country to the extent reasonably required for achieving its purpose.
(2) Notwithstanding the provisions of Sections 12 and 13 but subject to Subsections (3) and (4), an emergency law may alter, wholly or partly, and absolutely or subject to conditions, any provision of Division III.3 (basic rights), any Organic Law made for the purposes of any such provision or any other law (other than a Constitutional Law) to the extent reasonably necessary to deal with the emergency concerned, and with matters arising out of it, but only so far as is reasonably justifiable in a democratic society having a proper regard for the rights and dignity of mankind.
(3) An emergency law-
(a) may not alter-
i. Section 35 (right to life); or
ii. Section 36 (freedom from inhuman treatment); or
iii. Section 45 (freedom of conscience, thought and religion); or
iv. Section 50 (right to vote and stand for public office); or
v. Section 55 (equality of citizens); or
vi. Section 56 (other rights and privileges of citizens, and
(b) may provide for internment only in accordance with Division 5 (internment); and
(c) may alter Section 37 (protection of the law) or Section 42 (liberty of the person) only to the extent allowed by Paragraph (b).
(4) In addition, an Emergency Regulation may not alter-
(a) Section 46 (freedom of expression); or
(b) Section 47 (freedom of assembly and association); or
(c) Section 49 (right to privacy); or
(d) Section 51 (right to freedom of information), and may not provide for a sentence of imprisonment for a period exceeding nine months.
(5) In the case of an inconsistency between a valid emergency law and any other law, the law made later prevails. (Sec. 233)

WE THE PEOPLE OF PAPUA NEW GUINEA-
…
- acknowledge the worthy customs and traditional wisdoms of our people which have come down to us from generation to generation
- pledge ourselves to guard and pass on to those who come after us our noble traditions and the Christian principles that are ours now.
… (Preamble)

(1) Every person has the right to freedom of conscience, thought and religion and the practice of his religion and beliefs, including freedom to manifest and propagate his religion and beliefs in such a way as not to interfere with the freedom of others, except to the extent that the exercise of that right is regulated or restricted by a law that complies with Section 38 (general qualifications on qualified rights).
…
(5) A reference in this section to religion includes a reference to the traditional religious beliefs and customs of the peoples of Papua New Guinea. (Sec. 45)

(1) In this Constitution or an Organic Law-
…
"custom" means the customs and usages of indigenous inhabitants of the country existing in relation to the matter in question at the time when and the place in relation to which the matter arises, regardless of whether or not the custom or usage has existed from time immemorial;
… (Schedule 1.2)

(1) Subject to Subsections (2) and (3), custom is adopted, and shall be applied and enforced, as part of the underlying law.
(2) Subsection (1) does not apply in respect of any custom that is, and to the extent that it is, inconsistent with a Constitutional Law or a statute, or repugnant to the general principles of humanity.
(3) An Act of the Parliament may—
(a) provide for the proof and pleading of custom for any purpose; and
(b) regulate the manner in which, or the purposes for which, custom may be recognized, applied or enforced; and
(c) provide for the resolution of conflicts of custom. (Schedule 2.1)

(1) Subject to this Part, the principles and rules that formed, immediately before Independence Day, the principles and rules of common law and equity in England are adopted, and shall be applied and enforced, as part of the underlying law, except if, and to the extent that-
…
(c) in their application to any particular matter they are inconsistent with custom as adopted by Part I. (Schedule 2.2)