BAILII (the British and Irish Legal Information Institute) provides the most comprehensive set of British and Irish primary legal materials freely available online. Its Northern Ireland case law databases include decisions of the following: Court of Appeal in Northern Ireland 1998 onwards; Crown Court for Northern Ireland 1999 onwards; High Court of Justice in Northern Ireland Chancery Division 1998 onwards; High Court of Justice in Northern Ireland Family Division 2000 onwards; High Court of Justice in Northern Ireland Queen's Bench Division 1994, then 1996 onwards; High Court of Justice in Northern Ireland Master's Decisions 2000 onwards;  Fair Employment Tribunal Northern Ireland 1998, then 2001 onwards; Industrial Tribunals Northern Ireland 2002 onwards; Northern Ireland - Social Security and Child Support Commissioners 1983 and then 1988 onwards. Legislation databases include Statutes of Northern Ireland (Acts of the Northern Ireland Assembly) 1920, 2000-2002 and 2007 onwards; Northern Ireland Orders in Council 1972 onwards; Statutory Rules of Northern Ireland 1989 and then 2000 onwards. Also provided (within Statutes) is the text of the Government of Ireland Act 1920, the UK Act by which Ireland was partitioned in 1922, and there are some publications of the Northern Ireland Office of Law Reform and Law Reform Advisory Committee 1999-2002.

The Belfast Gazette (first published in 1921), London Gazette and Edinburgh Gazette are the official newspapers of record of the United Kingdom, recording and disseminating a wide range of official, regulatory and legal information. Legal content includes insolvency notices and certain Orders in Council. The free online archive of the Belfast Gazette includes historically important content from 1921 onwards.

A public inquiry, chaired by Lord MacLean, into the death of William Stephen (Billy) Wright at the Maze prison, Northern Ireland, on 27 December 1997, was announced in November 2004. The inquiry's site, now archived by the National Archives, includes evidence, transcripts, key documents, press notices, rulings, and a link to the full text on TSO's Official Documents site of the Inquiry's report, published 14 September 2010.

Official site of the inquiry chaired by Lord Saville of Newdigate into the events in Londonderry, Northern Ireland, on Sunday 30 January 1972, which came to be known as Bloody Sunday. The site, now archived by the National Archives, has the final report, published 15 June 2010, together with extensive documentation on proceedings, including hearing transcripts, rulings, press notices and witness statements.

The Care Tribunal was established under the Health and Personal Social Services (Quality, Improvement and Regulation) (Northern Ireland) Order 2003 to hear appeals against decisions relating to the regulation of care services and to the employment and registration of social workers in Northern Ireland. Information on its web site includes a guide to the appeals process and procedures, links to legislation, and published decisions to date.

The Commissioner regulates the process by which many of the public appointments in Northern Ireland are made. The post was created in 1995 in response to the publication of the Nolan Committee's first report on Standards in Public Life (Cm 2850). Publications on the site include annual reports 2000/2001 onwards, a code of practice, a complaints leaflet and other guidance.

The CAJ is an organisation campaigning for human rights and civil liberties in Northern Ireland. Publications available online include various key documents, annual reports, press releases, and a monthly newsletter Just News.

Peter Cory, a retired Canadian Supreme Court judge, was appointed in 2002 to investigate allegations of collusion between British and Irish security forces and paramilitaries in six high profile cases, four of which related to the deaths in Northern Ireland of Pat Finucane, Robert Hamill, Rosemary Nelson and Billy Wright. All four reports, which were published by the Stationery Office on 1 April 2004, may be downloaded from this Collusion section of the University of Ulster's CAIN web site.

The Council for the Curriculum, Examinations and Assessment (CCEA) is responsible for the regulation of all qualifications (except NVQs, for which Ofqual is responsible) in Northern Ireland. Documents on the site include annual reports 2004-2005 onwards.

The Department for Social Development (DSD) is part of the Northern Ireland Executive. The "Law and Legislation" section of the DSD's site includes case law of the Social Security Commissioners and Child Support Commissioners for Northern Ireland 1972 onwards, via the NIDOC case law digest  maintained by the DSD's Decision Making Services. Electronic versions of Northern Ireland's "Blue Volumes" and "Orange Volume", containing collections of current social security and child support legislation, are also available. 

The Department of Finance and Personnel (DFP) is responsible for building regulations within Northern Ireland. This section of its web site provides background information together with links to the Building Regulations (Northern Ireland), which are published as Statutory Rules on the Legislation.gov.uk web site, and to the primary legislation under which the Rules are made. The Technical Booklets - guidance on meeting the requirements of the Building Regulations which is published by the DFP - are reproduced on the site.

This section of the Department of Finance and Personnel (DFP) web site provides information on the work of the Civil Law Reform Division (CLRD). The DFP is a department of the devolved Northern Ireland government, and the CLRD (part of its Departmental Solicitor's Office) is responsible for certain aspects of civil law reform, including private family law, trusts and property law, tort, contract law and private international law. There is information on consultations and current projects, and news of recent developments.

The Equality Commission took over on 1 October 1999 the functions previously carried out by the Commission for Racial Equality for Northern Ireland, the Equal Opportunities Commission for Northern Ireland, the Fair Employment Commission and the Northern Ireland Disability Council. The site includes a list of relevant legislation, with links; case decisions; links to a number of subject areas; and a large number of downloadable documents on different aspects of equality law.

The General Teaching Council for Northern Ireland (GTCNI) was set up under the Education (Northern Ireland) Order 1998 as the self-regulating professional body for the teaching profession in Northern Ireland. It maintains a register of teachers in Northern Ireland which is searchable online. Documents on the site include the Code of Values and Professional Practice.

The Independent Case Examiner investigates complaints made by service users of various government agencies and businesses including the Child Support Agency, the Northern Ireland Social Security Agency, Jobcentre Plus, the Pension, Disability and Carers Service, the Financial Assistance Scheme, Debt Management and Child Maintenance and Enforcement Division (Northern Ireland). The site provides information on the complaint procedure, forms, and annual reports 2000/2001 onwards.

Industrial Tribunals in Northern Ireland hear and determine claims relating to a range of employment matters, including unfair dismissal, breach of contract, and discrimination on the grounds of sex, race, disability, sexual orientation and equal pay. The Fair Employment Tribunal hears and determines complaints of discrimination on the grounds of religious belief and/or political opinion. The site contains main decisions, in a searchable database, from the beginning of 2007 onwards. Information booklets may be downloaded from the Publications & Statistics section. In the Useful Information section there are links to relevant legislation on the Legislation.gov.uk web site.

The Insolvency Service for Northern Ireland is part of the Department of Enterprise, Trade and Investment (NI). Its site includes links to relevant legislation, guidance for insolvency practitioners and details of bankruptcy and liquidation processes in Northern Ireland.

The law of both Ireland and Northern Ireland is covered by this site, which is hosted by University College Cork Law Faculty and edited by Dr Darius Whelan. It has annotated listings of sources for case law, legislation, the Irish Constitution, government information, legal systems and courts, the legal profession, law departments and the Peace Process. There is an A-Z subject index linking to book lists and selected online sources on a range of topics, and links to the Faculty's other sites which include IRLII and the Irish Law Updates blog.

The Lands Tribunal resolves disputes about the value of land and buildings in Northern Ireland, and about their occupation, use or development. Its web site provides information on its functions; links to relevant legislation, including the Lands Tribunal Rules (Northern Ireland) 1976 as amended; downloadable forms; and a table of published decisions since 1990 (and selected earlier ones), with links to full texts of the decisions.

The Society is the professional and regulatory body for solicitors in Northern Ireland. The web site includes a summary of its regulatory framework and details of the complaints procedure. Downloadable publications include the Solicitors' Account Regulations 1998 and the Society's journal The Writ April 2000 onwards. There is also a directory of solicitors' firms in the major towns and villages of Northern Ireland, searchable by name, geographical location or category of work undertaken.

The Lay Observer oversees the complaint-handling function of the Law Society of Northern Ireland. The site includes information on the Lay Observer's role, details of the complaints procedure, and recent annual reports.

Northern Ireland legislation on the UK's official legislation database includes Acts of the Northern Ireland Assembly 2000 onwards, Acts of the Old Irish Parliament 1495-1800 (partial coverage), Northern Ireland Statutory Rules 1991 onwards (with some from 1986 and 1989), Northern Ireland Orders in Council 1972 onwards (partial coverage 1972-1986; full coverage 1987 onwards), Northern Ireland Assembly Measures 1974, and Acts of the Northern Ireland Parliament 1921-1972 (partial coverage). Primary legislation is reproduced as revised, with an option in the case of recent legislation to select the original "as enacted" text under "What Version" on the left of the screen. Secondary legislation is not revised. Explanatory Memoranda to Orders in Council and Statutory Rules are included if published.

NetRegs provides information for small and medium-sized businesses in  about how to comply with environmental legislation. The site is produced in partnership by the Scottish Environment Protection Agency and the Northern Ireland Environment Agency. Guidelines are accessible both by type of business and by environmental topic. The “Environmental Legislation” section has information about current and proposed legislation.

This is the successor to the Criminal Justice System Northern Ireland (CJSNI) site. Here will be found information, with web site links, on the main criminal justice organisations, which include the Department of Justice, Police Service, Prison Service, Probation Board, Public Prosecution Service, Northern Ireland Courts and Tribunals Service and Youth Justice Agency.

The Assembly was established as part of the Belfast Agreement and is the prime source of authority for all devolved responsibilities. It has full legislative and executive authority. The site includes a directory of members; Official Report (Hansard) July 1998 onwards; Bills 1999 onwards; and tables showing progress of Statutory Rules. The site also includes Minutes of Departmental and Standing Committee meetings.

The Northern Ireland Courts and Tribunals Service, an agency of Northern Ireland's Department of Justice, administers the courts of Northern Ireland, comprising the Supreme Court, the county courts, magistrates' courts, coroners' courts, and certain tribunals. Information and documents on the site include: court and tribunal addresses; court lists; reports; consultation papers; information leaflets; press releases; recent legislation relating to the courts (eg court rules); and selected full text judgments 1999 onwards.

The Northern Ireland Executive is the executive arm of the Northern Ireland Assembly, the province's devolved legislature. It assumed control of Northern Ireland from the UK government's Northern Ireland Office on 8 May 2007, when a period of direct rule was brought to an end and devolution resumed. Its web site has the text of the Ministerial Code, Executive statements, news releases, and links to web sites of individual NI government departments.

The Commission was set up in March 1999 under section 68 of the Northern Ireland Act 1998 in compliance with the commitment made by the British Government in the Good Friday Agreement. The site includes human rights related legislation and policy documents, press releases, speeches and articles, from 1999 onwards.

The Commission was established in June 2005, as an independent public body under the Justice (Northern Ireland) Acts 2002 and 2004, to select and recommend candidates for judicial office in Northern Ireland. Contents of its web site include information on the appointments process, policy documents and statements, consultation documents and annual reports.

The Northern Ireland Judicial Appointments Ombudsman was established on 25 September 2006 under the Constitutional Reform Act 2005 to investigate allegations by applicants for judicial appointments of maladministration or unfairness on the part of the Northern Ireland Judicial Appointments Commission, the Northern Ireland Courts and Tribunals Service or the Lord Chancellor. The site provides details of the complaints procedure and annual reports.

The Northern Ireland Law Commission, an independent advisory non-departmental public body, was formally launched on 1 April 2008. Its function is to keep the law of Northern Ireland under review and to make recommendations for its systematic development and reform. Publications include programmes of law reform, current projects, law reform reports, annual reports and consultations.

The Northern Ireland Legal Services Commission assumed responsibility for the administration of legal aid from the Law Society of Northern Ireland in November 2003. The site includes press releases, publications and a searchable database of solicitors.

The Northern Ireland Office is the UK government department responsible for Northern Ireland affairs including oversight of the Northern Ireland devolution settlement. Publications available here on the GOV.UK web site relate largely to constitutional and security issues, law and order, policing and criminal justice. They include policy papers, reports and guidance. Information on the Northern Ireland devolution settlement includes links to legislation.

The Northern Ireland Ombudsman combines the two offices of Assembly Ombudsman for Northern Ireland and Northern Ireland Commissioner for Complaints. The site has general information, guidance, forms, case digests and recent annual reports.

The Northern Ireland Planning Portal site is the web site of Planning Service, part of the Department of the Environment of Northern Ireland which is responsible for developing and implementing the Northern Ireland government's planning and development policies. Its site includes information (as leaflets, FAQs, etc), guidance, consultations, forms, news and statistics. In the Legislation section (found under "Advice") there are lists of relevant primary legislation 1963 onwards and of secondary legislation 1975 onwards, with some links to texts.

The Northern Ireland Social Care Council (NISCC) is the body responsible for regulating and registering the social care workforce in Northern Ireland. Select "Registration" both for information and guidance on registration and to access the searchable register itself. Content elsewhere includes codes of practice, the Conduct Rules, consultations, and details of the complaint procedure.

Membership of the Ombudsman Association (formerly known as the British and Irish Ombudsman Association) is open to ombudsmen and other complaint-handling bodies within the UK, the British Crown Dependencies and Overseas Territories, and Ireland. The web site has a complete list of its 60+ members, with brief descriptions, contact details and links. Publications on the site include the most recent annual report and an occasional newsletter The Ombudsman.

A review by Sir Desmond de Silva QC of state involvement in the murder of Belfast solicitor Pat Finucane on 12 February 1989 was announced by the Government in October 2011. Sir Desmond's report, published 12 December 2012, is available on the site together with background information, FAQs and key documents.

The Society is the regulatory and professional body for pharmacists in Northern Ireland. Its register is searchable online. Other content includes guidance, links to legislation, the Code of Ethics, and details of the complaint procedure.

The Planning Appeals Commission (PAC) is an independent appellate body which deals with a range of land use planning issues and related matters in Northern Ireland. The site includes information, forms and guidance for appellants. There is a "Digest" section covering recent appeals, inquiries and hearings, and a "Legal Challenges" section listing challenges to the PAC in the courts. The site also provides information on the Water Appeals Commission.

The Ombudsman's office provides an independent police complaints system under the Police (Northern Ireland) Acts 1998 and 2000. There are links to those Acts and to other relevant legislation. Publications include press releases, research reports and investigation reports. There is brief information, and where relevant the full text of judgments, on decisions of the Ombudsman which have been subjected to judicial review.

The Public Prosecution Service (PPS), which began operating in Northern Ireland in 2005, fulfils a similar role to that of the Crown Prosecution Service in England and Wales. The "About the PPS" section of its web site contains the Code for Prosecutors as well as information about the PPS's role and procedures. Press releases are available from 2005 onwards and reports of complaints against the PPS from 2006 onwards.

The Regulation and Quality Improvement Authority (RQIA) is the independent health and social care services regulator for Northern Ireland. Its site provides links to relevant legislation on the Legislation.gov.uk site, including the Health and Personal Social Services (Quality, Improvement and Regulation) (Northern Ireland) Order 2003, under which RQIA was established in 2005.

Inquiry, chaired by Sir Edwin Jowitt, into the death of Robert Hamill, which followed an incident in Portadown, Northern Ireland, on 27 April 1997. Site content includes press notices, timetables, transcripts and evidence. Public hearings were completed in December 2009. The Inquiry's report was completed in February 2011 and will be published once legal proceedings against three individuals have been concluded. .

Inquiry, chaired by Sir Michael Morland, into the circumstances which led to the murder of the lawyer Rosemary Nelson in Lurgan, Northern Ireland, in March 1999, and into the police investigation which followed it. Documentation on the site, now archived by the National Archives, includes timetables, press notices, transcripts, evidence, and procedural updates. The Inquiry's report was published on 23 May 2011 and is accessible via a link to the Stationery Office's Official Documents site.

The Utility Regulator is the informal name of the Northern Ireland Authority for Utility Regulation (NIAUR), which regulates the electricity, gas, water and sewerage industries in Northern Ireland. Like its counterpart in Great Britain, Ofgem, NIAUR also exercises powers within its sector, concurrently with the Office of Fair Trading, under the Competition Act 1998. Publications on the site include consultation papers 2002 onwards and press releases 1997 onwards.