The Commerce Commission is proposing to give grocery suppliers a leg up in their dealings with the supermarket giants.

The commission has proposed updates to the Grocery Supply Code, including stopping retailers charging suppliers for stocking shelves and requiring retailers to keep records on how they’re complying with certain parts of the code.

Night 'n Day general manager Matthew Lane says this crackdown comes with encouraging implications for the sector.

"What's most encouraging for us is that the CommComm's cracking down on the fact that other retailers are being charged more for their wholesale than what the supermarkets are actually retailing the same products for." 

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