Michele Christie farewelled her mother Athena earlier this year through assisted dying.
The End of Life Choice Act has come into effect one year after nearly two-thirds of New Zealanders voted in favour of it in a referendum.
Health Minister Andrew Little says systems are in place to begin.
The Act will come into force on November 7 and hundreds of people are expected to register. This is what that will mean in practice.
For decades he suffered from a painful and incurable degenerative disease.
The Ministry of Health was expecting about 1100 patients to request to end their lives in the first year of New Zealand's assisted dying regime, although it was predicting only about a third of those would carry through with euthanasia.
There is concern the unapproved drugs could cause prolonged deaths.
Palliative care experts say we are woefully unprepared to introduce assisted dying.
He was convicted of three murders in South Africa in 2019.