Codes of practice, ethical codes, etc.
These are not legislation, but a professional standard or code of practice/ethics. They can be referenced in the same way as a website/PDF.
Reference list entry
New Zealand Nurses Organisation. (2019). Code of ethics.
https://www.nzno.org.nz/Portals/0/publications/Guideline%20-%20Code%20of%20Ethics%202019.pdf?ver=2019-06-27-094754-100
In-text citations
Page/paragraph numbers are optional for paraphrased information.
Narrative
According to the New Zealand Nurses Organisation (NZNO, 2019) ... (p. 16).
Parenthetical
... (New Zealand Nurses Organisation [NZNO], 2019, p. 16).
Health and Disability Commissioner (Code of Health and Disability Services Consumers' Rights) Regulations 1996
Reference list entry
Health and Disability Commissioner (Code of Health and Disability Services Consumers' Rights) Regulations 1996. www.legislation.govt.nz/regulation/public/1996/0078/latest/whole.html
In-text citation
Narrative
As outlined in the Health and Disability Commissioner (Code of Health and Disability Services Consumers' Rights) Regulations 1996 ...
Parenthetical
... (Health and Disability Commissioner (Code of Health and Disability Services Consumers' Rights) Regulations 1996).