The Taxpayers' Union says the campaign was unnecessary, as the policy already had plenty of media coverage.
The ASA Chair argued the women in the ad did not look "school-age".
It comes just two months after a Meadow Fresh ad was banned for the same reason.
The computer-generated creatures came with a hefty price-tag, with David Seymour calling the spending "idiocy".
The advert features two friends making a trip to the beach.
Fast food outlets took advantage of stressed and worried Kiwis to sell more fat- and sugar-filled food, research has found.
The Complaints Board ruled the commercial condoned an illegal practice.
A complaint about a TV advert which keeps turning on a viewer's smart speakers has been thrown out.
The Kiwi beer brand's new ad campaign commemorates the 25-year anniversary of the protest.