Opposition Leader Lia Finocchiaro says Deputy Chief Minister Chansey Paech has serious questions to answer over his shares in Metcash, which supplies grog and groceries in Alice Springs.

She told Katie Woolf Chansey Paech strongly backed ending Stronger Futures alcohol bans suggesting his shareholding could have impacted that stance.

Ms Finocchiaro says Mr Paech needs to stand down as former Chief Minister Natasha Fyles did over her shareholding saga.

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