New Zealand legislation is publicly available on the government website.

The acts or bills regarding animals / pets are shown below.

• Agricultural Compounds and Veterinary Medicines Act 1997
• Animal Control Products Limited Act 1991
• Animal Products Act 1999
• Animal Products (Ancillary and Transitional Provisions) Act 1999
• Animal Welfare Act 1999
• Animals Law Reform Act 1989
• Antarctic Marine Living Resources Act 1981
• Dog Control Act 1996
• Game Animal Council Act 2013
• National Animal Identification and Tracing Act 2012
• Wild Animal Control Act 1977

Codes of welfare: legislation.govt.nz

• Code of Welfare: Circuses
• Code of Welfare: Commercial Slaughter
• Code of Welfare: Companion Cats
• Code of Welfare: Dairy Cattle
• Code of Welfare: Deer
• Code of Welfare: Dogs
• Code of Welfare: Goats
• Code of Welfare: Horses and Donkeys
• Code of Welfare: Layer Hens
• Code of Welfare: Llamas and Alpacas
• Code of Welfare: Meat Chickens
• Code of Welfare: Painful Husbandry Procedures
• Code of Welfare: Pigs
• Code of Welfare: Rodeos
• Code of Welfare: Sheep and Beef Cattle
• Code of Welfare: Temporary Housing of Companion Animals
• Code of Welfare: Transport within New Zealand
• Code of Welfare: Zoos

These can also be found: https://www.mpi.govt.nz/animals/animal-welfare/codes/all-animal-welfare-codes/

As of today, 24/1/2021 all these code of welfare acts were updated as at 2018.

If you are aware of missing legislation that should be included, please advise us.