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Papua New Guinea Law


PNG Parliament

PNG National Parliament


The Underlying Law Act 2000

The Underlying Law Act 2000 adopted the sources of the underlying law as customary law and the common law of England in force immediately before independence. The Act provides for methods and processes for developing the underlying law.

For commentary on the Act and its implications, see:

The Underlying Law Journal

Jean Zorn and Jennifer Corin Care; Everything Old is New Again: The Underlying Law Act of Papua New Guinea, LawAsia Journal [2002] 61-97 (UniM access)


Finding Legislation

The Papua New Guinea National Parliament website includes Acts as passed 2012-current 

  • Note that although this is up to the current year, the PacLII Acts as passed appears to have slightly more recent Acts - see PacLII information below.

The Papua New Guinea page on the Pacific Islands Legal Information Institute (PACLII) website lists and links to:


Other sources of legislation

The Food and Agricultural Organisation of the United Nations maintains a database of national laws and regulations relating to food, agriculture and renewable natural resources. This database (FAOLEX) contains some Papua New Guinean legislation.

pngInLaw is a subscription database which includes Papua New Guinea legislation, judgments, indexes, citators and treaties and PNG law generally. The database is updated 2 or 3 times a year.

Papua New Guinea Income Tax Legislation is a subscription database from CCH Australia which includes Papua New Guinea income tax legislation, double tax agreements and tax cases as well as Papua New Guinea GST and Stamp Duties Legislation. The information is also available as a looseleaf service.  


The Legislature

Papua New Guinea has a unicameral National Parliament. Parliament was first created in 1964 as the House of Assembly of Papua and New Guinea. It became the National Parliament of Papua New Guinea in 1975 at independence.

See more on the About our Parliament page on the Parliament website.


Centre for Democratic Institutions

The Centre for Democratic Institutions at Australian National University supports democractic processes and institutions in South East Asia and the Pacific through knowledge sharing and interchange. A range of documents relating to Papua New Guinea are available.


National Research Institute 

The National Research Institute is Papua New Guinea's leading think tank on public policy and development-related issues and trends. The Institute advocates the need for research-based information to form the basis for policy debates and discussions.