The federal government is set to introduce laws in parliament as early as Wednesday to limit the number of gambling ads per hour, with all ads banned during sports matches.
Gambling ads on jerseys and in stadiums will also be phased out over time under the laws, which will need support from either the coalition or the Greens to pass.
Communications Minister Anika Wells said while there has been consultation with the industry on the laws, any further changes would only be small.
"We will introduce the legislation this week in parliament and the differences between the exposure draft and the legislation will be evident, but they're minor," she told ABC Radio on Monday.
"There's nothing particularly substantive that will alter people's view of the legislation, given these are very deeply entrenched views from all sides on this particular issue."
The federal government has been urged to take further action on gambling following a 2023 report by the late Labor MP Peta Murphy, which called for a complete ban on online gambling ads.
Sunday marked three years since the Murphy review was handed down
Ms Wells said she wanted to have the laws passed as soon as possible so they could come into effect from January.
Despite revisions being small, the minister said the changes would still be significant.
"In social policy, the pen is never down, but this is a big and meaningful reform package," she said.
Independent MP Monique Ryan said the gambling laws were only a half measure.
"The reality is this is a milksop, and the government has folded. It listened more to the gambling industry, sports broadcasters and the sponsors than it has to what Australians want," she told ABC Radio.
"The legislation the government is promising will be inadequate. It will not protect young Australians from gambling harm."
Greens communications spokeswoman Sarah Hanson-Young said the party would aim to send the laws to be examined by a Senate committee.
"We will be pushing hard to fix this legislation, because otherwise we'll end up again with broken promises, and very little in the way of protecting people against the insidious dangers of online gambling," she told reporters in Canberra.
"We know already that it fails to protect Australian families from gambling addiction, because it doesn't implement the recommendations of that Murphy report."
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