| Code | Display | Definition |
| BLDG-SOC | Building Society | The Building Societies Act 1965; the Building Societies Regulations 1989 |
| CHAR-TRST | Charitable Trust | Charitable Trusts Act 1957 |
| CHURCH | Church Acts | Various Acts as per the New Zealand Legislation website. |
| COMPANY | Company | The Companies Act 1993; the Companies Act 1993 Regulations 1994 |
| CROWN-ENT | Crown Entity | Crown Entities Act 2004. This excludes DHBs which are classified under the HD-ACT Publicly Owned Health and Disability Services. |
| FRIEND-SOC | Credit Union and/or Friendly Society | Friendly Societies and Credit Unions Act 1982 |
| HD-ACT | Publicly owned health and disability services | New Zealand Health and Disability Act 2004 (whose purpose is: to provide for the public funding and provision of personal health services, public health services, and disability support services, and to establish new publicly-owned health and disability organisations, in order to pursue the following objectives), including the improvement, promotion, and protection of their health, and facilitation of participation in society. (Section 2 New Zealand Public Health and Disability Act 2000) |
| INCORP-SOC | Incorporated Society | Incorporated Societies Act 1908; the Incorporated Societies Regulations 1979 |
| LOCAL-BODY | Local Bodies (i.e. City Councils) | Local Government Act 2002 |
| MAORI-INC | Māori Incorporations | As per the New Zealand Legislation website |
| MAORI-IWI | Māori Iwi | A Māori Iwi registered as a Māori Trust Board within the meaning of the Māori Trust Board Act 1955 |
| NOTLEGAL | Not Legally Constituted | This code describes a party that is not legally constituted, not a subsidiary and not a sub organisation of a legally constituted organisation. It has been added to the organisation index because the party needs to be identified for some purpose. |
| NPSERV-DEP | Non-Public Service Departments | Departments not part of the Public Service in particular Police and the Defence Forces |
| NRPART | Non registered Partnership | Departments not part of the Public Service in particular Police and the Defence Forces |
| OSEAS-CO | Overseas Company | The Companies Act 1993 and registered on the Companies Overseas Register |
| OTHER | Other | Constituted by an Act or Regulation not listed above eg Responsible Authorities listed in schedule 2 of Health Practitioners Competence Assurance Act 2003. |
| PARTSHIP | Limited Partnerships NZ | Limited Partnerships Act 2008; the Limited Partnerships Regulations 2008 |
| PLUNKET | Plunket | Plunket Society Rules Act 1959 |
| PROV-SOC | Industrial and Provident Society | Industrial and Provident Societies Act 1908; the Industrial and Provident Societies Regulations 1952 |
| PSERV-DEP | Public Service Departments | Public Service departments listed in Schedule 1 of the State Sector Act 1988 |
| PVT-TRUST | Private Trust | |
| PVT-PART | Private Partnership | |
| SOE | State Owned Enterprises | Registered companies listed under Schedules 1 and 2 of the State Owned Enterprises Act 1986 |
| SOLE-TRD | Sole Trader | |
| SUB | Subsidiary or Sub Organisation | This code describes an organisation that is not legally constituted but is a subsidiary or sub organisation of a legally constituted organisation. A relationship must exist in the HPI relationships that relates the organisation to its legally constituted parent organisation. |
| UNIT-TRUST | Unit Trusts | Unit Trusts Act 1960; the Unit Trusts (Fees) Regulations 2008 |
| TRAD-TRUST | Trading Trusts | Private (unregistered) Trading trusts. |