Japan Toy Association in order to ensure the safety of the 14-year-old and toys intended for children under the age of 14, especially the development of safety standards for toys (ST). "S stands for safety, T on behalf of the toys. The standard is voluntary, products conforming to this standard are allowed to and marked ST logo in the product itself. The ST logo also includes the terms of the compensation of victims of complaint, prepared ST logo products to compensate harm to consumers. Products in the market to carry the flag after registration must be updated every year. A ST logo is valid for four years, after which must be re-tested in order to continue to carry the flag.
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