The Media Minister says the Broadcasting Act needs updating to ensure a level playing field.

Warner Brothers Discovery has confirmed Newshub will shut July 5.

TVNZ has also confirmed plans to cut its Midday, Tonight, Fair Go and Sunday shows.

Media Minister Melissa Lee says she's written a cabinet paper, but wouldn't give any further details.

"There is a Cabinet process, there is a Cabinet paper- there's a process. I'm not going to comment further on it."

LISTEN ABOVE

• 'A huge loss for the country': Newshub reporter on the 'devastating' newsroom closure
• Newshub shutdown won't be the last for media woes, expert warns
• Newshub set to close at end of June, Warner Bros. Discovery staff devastated
• Heather du Plessis-Allan: These TVNZ job losses won't be the last
• ACT's David Seymour suggests TVNZ dividend could improve returns, competition
• 'I'm not a magician': Minister Melissa Lee on job cuts; TVNZ's plan to axe Fair Go, keep brand