According to Jacinda Ardern it was the Mandela Foundation that got a deal with Netflix to broadcast the series. In March 2021. But it would seem that HAM didn't come on board til early 2022. So if the Mandela Foundation didn't need HAM to make the deal, I wonder why they became exec producers. And why the series sat around for more than a year without being broadcast or moved forward.
In March 2021 the Nelson Mandela Foundation advised the prime minister’s office they had secured an agreement with Netflix to broadcast the series of interviews, including the 2019 interview with the prime minister
In May this year the prime minister’s office was notified that the Duke and Duchess of Sussex would introduce the series; noting this was nearly two and a half years after the interview had been recorded and permission for its use by the Mandela Foundation had already been provided.