中文内容由 Google Cloud Translation 自动生成，仅供参考；请以英文原文为准。问答资料来自欧盟化学品管理局（ECHA）官方网站。
答案（中文）
请注意，与准备和提交物品中物质通知相比，查找物质是否已注册用途可能需要更多资源，并且更加困难。如果满足两个条件，则可以将某种物质视为已注册特定用途：所涉物质与已注册物质相同；所涉用途与该物质注册中描述的用途相同，即注册是指在物品中的用途。在这种情况下，“用途”包括在物品生产过程中使用该物质，以及在物质被纳入物品后，在物品的使用寿命阶段（包括废弃阶段）使用该物质。有关更多信息，请参阅《物品中物质要求指南》第 3.3.1 章。欧洲化学品管理局 (ECHA) 的物质信息传播门户网站可通过 ECHA 网站 https://echa.europa.eu/information-on-chemicals 访问，其中包含公司在其注册档案中提供的已注册物质的信息。它包含公司生产或进口物质的各种信息，并可能包含该物质用途的信息（除非公司声称此信息为机密信息），包括该物质在物品中的使用。此处提供的针对所有生命周期步骤的用途描述主要由用途描述符系统的要素以及用途名称（在某些情况下还包括辅助活动名称）组成。通常情况下，仅凭这些信息不足以断定两种用途是否相同，从而确定是否适用基于第 7(6) 条的豁免。因此，必须更详细地描述相关用途，而不仅仅是使用用途描述符系统的要素。例如，已发布信息表明某种物质已在物品类别“塑料制品”中注册使用，并不一定意味着该注册涵盖所有塑料制品和所有塑料材料。这可能意味着该物质在某些特定塑料制品的生产中的使用已在注册中涵盖和描述，而其他塑料制品则未涵盖和评估。两种截然不同的塑料制品的用途可能会导致对人类和环境截然不同的暴露。如果您的物品在注册档案中未充分评估与使用相关的暴露情况，则不能视为已注册用途。请注意，除了用途描述符外，在IUCLID注册档案第3.5节中包含信息的可能性有限。然而，IUCLID注册档案第3.5节可能包含“自由文本”信息，这些信息并非基于用途描述符系统。此类信息是否足以得出用途相同的结论，必须根据具体情况进行审查。大多数物品生产商也是REACH法规下的下游用户，因此承担REACH法规第五章规定的某些义务。由于候选清单中的大多数物质已经注册，物品生产商应该已经将其用途告知注册人，以便进行注册。因此，如果物品生产商告知的用途已包含在注册档案中，则可能无需进行申报。物品进口商可能无法获得有关已注册用途的详细信息。如果您不确定您的具体用途是否已注册，则应进行申报。《物品中物质要求指南》可在欧洲化学品管理局 (ECHA) 网站获取：http://echa.europa.eu/guidance-documents/guidance-on-reach
Answer (EN)
Note that it might require more resources and be more difficult to find out if the substance is already registered for the use, than to prepare and submit a substance in articles notification.
A substance can be considered as having already been registered for a particular use, if two conditions are fulfilled:
the substance in question is the same as the substance already registered; and
the use in question is the same as the use described in a registration of this substance, i.e. the registration refers to the use in the article.
In this context, “use” includes the use of the substance in the production of an article and, after being incorporated into the article, the use of the substance in the article during the article’s service life stages, including the waste stage.
For more information, see chapter 3.3.1 of the Guidance on requirements for substances in articles.
ECHA’s dissemination portal for substance information, which can be accessed via the ECHA website: https://echa.europa.eu/information-on-chemicals, contains information on registered substances provided by companies in their registration dossiers. It includes a variety of information on the substances which companies manufacture or import and may include information on the uses of the substance, unless the companies have claimed this information as confidential, including use of the substance in articles. The description of the use available here for all life cycle steps consists mainly of elements of the use descriptor system, as well as use name and in some cases contributing activity names. The information will normally not be sufficient on its own to conclude on the sameness of two uses for the purpose of establishing whether an exemption on the basis of Article 7(6) applies. Therefore, the use in question has to be described more in detail than just by using elements of the use descriptor system. For example, the published information that a substance has been registered for use in the Article Category 'Plastic articles' does not necessarily mean the registration is made to cover all plastic articles and all plastic materials. It could mean that use of the substance in production of some specific plastic articles is covered and described in the registration, while other plastic articles are not covered and assessed. The uses of two very different plastic articles may lead to very different exposures to humans and the environment. If the exposure related to the use of your article is not adequately assessed in a registration dossier, it cannot be considered a registered use.
Please note that there are limited possibilities to include information in section 3.5 of an IUCLID registration dossier, apart from the use descriptors. Section 3.5 of the IUCLID registration dossier may however contain 'free text' information, which is not based on the use descriptor system. Whether such information is sufficient to conclude on the sameness of use has to be examined on a case-by-case basis.
Most producers of articles are also downstream users under the REACH Regulation and as such have certain obligations outlined in Title V of the REACH Regulation. Since most substances on the Candidate List are already registered, producers of articles should already have communicated their use to the registrant for the purpose of registrations. Producers of articles may therefore not have to notify if their communicated uses are covered in the registration dossier.
Importers of articles may not have access to detailed information on registered uses. If you are not certain that your specific use is already registered, you should notify.
The Guidance on requirements for substances in articles is available on the ECHA website at: http://echa.europa.eu/guidance-documents/guidance-on-reach