Jim Chalmers will also work with states and territories on zoning and planning rules in a bid to stop potential land banking

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The federal government has tasked the Australian Competition and Consumer Commission with cracking down on misleading and deceptive pricing in supermarkets, tipping an extra $30m into the competition regulator after damning allegations against Coles and Woolworths.

The federal treasurer, Jim Chalmers, will also work with state and territory counterparts to overhaul zoning and planning rules in a bid to stop potential land banking and help more grocery operators open new stores.

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