Josh Frydenberg insists low and middle-income earners will be the ultimate winners from the federal government's promised tax cuts.
This comes as the treasurer refuses to tell Labor exactly how much of the coalition's $158 billion package will benefit people earning more than $180,000.
"The lower and middle income earners are the winners," Mr Frydenberg told ABC TV from Washington on Tuesday.
"The numbers are clearly set out in the budget."
The budget didn't contain the analysis by income group that Labor is seeking.
But Mr Frydenberg says the coalition is distributing exactly the kind of details Labor did when it last ran the country.
"What we've done is entirely consistent with the Labor Party's approach when they were in government and made some tax changes," he told ABC Radio National.
The coalition needs Labor or at least four crossbenchers to support the full three-stage tax plan to get it through the Senate when parliament resumes next month.
Labor supports the first stage of the plan, which will mean extra cash for low and middle income-earners.
But it believes the later stage, aimed at flattening the tax rates by mid-2024, shouldn't be legislated years in advance and may be skewed toward the wealthy.
The coalition has ruled out splitting up the plan, arguing the final stage brings much-needed structural reform.
Mr Frydenberg says it's time for Labor to accept the mandate Australians handed the government to roll out the tax plan when it re-elected the coalition on May 18.
"The Australian people voted for lower taxes, not Labor's higher taxes and redistribution agenda," he said.
Senior Labor frontbencher Tanya Plibersek says the government does not have a mandate to legislate tax cuts five years in advance while the economy faces pressures from all directions.
"You get a mandate for a term, you don't get a mandate for eternity because you win one election," she told ABC Radio National.
"They're asking us to pass a package where they won't give us details about the distributional analysis of who benefits from the later stages of this tax package.
"And they're asking us to make commitments now for tax cuts that come in in not just one election's time but two elections time."
One Nation leader Pauline Hanson, who directs two Senate votes, has said she won't back the plan because major infrastructure spending would be a better way to stimulate the economy.
Centre Alliance, which also has two votes, remains on the fence, amid concerns the extra cash for workers could be lost to rising power costs.
The minor party's senator Rex Patrick met Finance Minister Mathias Cormann to discuss the tax package on Monday.
Australian Chamber of Commerce and Industry boss James Pearson is among those urging the parliament to get the cuts across the line.
A new survey has also found strength among manufacturing firms declined a little in the three months to June.
"It all points to the need to strengthen the economy and improve business conditions for the manufacturing sector and business generally," Mr Pearson said.
"It has become even more important the new parliament pass the government's tax package in its first sitting in July to stimulate consumer spending."
Australian Associated Press