Article 28 (5) of the REACH Regulation entitles downstream users to contact ECHA and indicate their interest in a missing substance.

REACH法规的第28条第5款规定下游用户有权向ECHA表达他们对没有注册物质的关注。

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When the non-community exporter has appointed an "only representative", the importers of the substance are relieved of their duties as registrants under REACH but will be regarded as downstream users.

答：在REACH法规下，如果非共同体出口商指定了“独家代理”，这些物质的进口商将没有责任进行注册，且被认为是下游用户。

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But downstream users could pass that on.

ECONOMIST: Plastics and petrochemicals

Microsoft, he says, makes a large amount of source code available under a so-called shared-source licence, which grants users downstream a limited set of rights to modify and use the code.

ECONOMIST: The software-development industry