A similar voluntary rating used in US and Canadian markets A new adult classification, R18+, came into effect starting yesterday.
180px|Logo for the rating system used in Canada and the United States, which operates on a voluntary basis. A new adult classification, R18+, came into effect starting yesterday.
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A similar voluntary rating used in US and Canadian markets
180px|Logo for the rating system used in Canada and the United States, which operates on a voluntary basis.