Michael Bassett: How much Maori blood is enough?
The Maori Affairs Amendment Act 1974 redefined a Maori as "a person of the Maori race of New Zealand; and includes any descendant of such a Maori".
This hugely widened the definition of who was a Maori.
During the debate on the Bill, one MP scoffed that it now seemed so wide that anyone who cycled past a marae could claim to be a Maori.
https://www.odt.co.nz/opinion/how-much-maori-blood-enough