Under the carve-up, NSW and Queensland's share of the GST pool will fall because rising coal royalties have put them in a stronger budget position.Â
Mr Minns questioned whether the changes to the GST carve-up were "planned or accidental" and singled WA and Victoria out for pointed criticism.
"A lot of that money is going to be sent to Western Australia, which is chock full of cash from the mining boom, or down to Victoria, which is now a welfare state receiving a whole bunch of money from the pockets of NSW families," he told Sky News.
Victorian Treasurer Tim Pallas went on the offensive, declaring Mr Minns did not understand the GST system.
"Not a dollar of NSW GST is going to Victoria," he said in a statement on Thursday.
"Victoria has subsidised other states, not the other way around.
"We have paid more into the GST pool than we've received every year since its inception."
In a direct reference Mr Minns' "welfare state" barb, Mr Pallas suggested NSW had been an infrastructure "welfare recipient" from the Commonwealth at Victoria's expense for decades and pointed to his state's job figures.
"Isn't it just so Sydney of Premier Minns to bemoan Melbourne's success," he said.
The comments could make for an awkward virtual meeting between state and federal treasurers on Friday.
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