To Fight ‘Shrinkflation’ France Will Force Retailers to Warn Shoppers: Merchants will be required to put signs in front of all products that have been reduced in size without a corresponding price cut
This has been the law in Brazil for more than 10 years now. We have lots of problems here, but at least our consumer protection laws are top notch. And, believe or not, they're enforced successfully.
I was wrong in one thing, it hasn't been a thing for 10 years, but for 20. It was determined by the Minister of Justice, based on article 55 of the Consumer Protection Code. More here. I remember seeing some warnings on labels back when the rule was new. My opinion is that companies got smarter and realized that those warnings were damaging to their brands, so they just stopped with the practice of shrinking products, which is why you never noticed.
Será que é por isso que sempre tem aqueles avisos de “nova embalagem”? Ou talvez fique escrito nas letrinhas pequenas atrás? Nunca percebi algo assim, mas muito legal saber que essa lei existe!
edit: se pesquisar por “reduflação” no google imagens, aparecem vários exemplos disso. Estou impressionado que eu nunca via algo assim…