"I want to share with you the joy that as of today we're enacting the law," said President Sebastian Pinera at a public ceremony in the centre of Santiago, after which he handed out cloth bags to passers-by.
Large businesses have six months to phase out the use of plastic bags, while smaller ones will be given two years to adapt to the new rules.
It means that any form of plastic bag other than those constituting primary packaging "necessary for hygiene or to prevent food wastage" are prohibited, the government gazette Diario Oficial said on Friday.
Those flouting the ban will be subject to a $370 fine, in a country where the minimum wage is just $800.
"Without a doubt we're taking a giant step towards a cleaner Chile," added Pinera.
In the meantime, companies will be limited to handing out a maximum of two plastic bags per transaction.
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![33 passengers and one crew member died on the dive boat, Conception [Brian van der Brug/Los Angeles Times/AP]](data:image/svg+xml;charset=utf8,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20width%3D'300'%20height%3D'172'%20data-ring-placeholder%3D'1'%3E%3C%2Fsvg%3E "33 passengers and one crew member died on the dive boat, Conception [Brian van der Brug/Los Angeles Times/AP]")
