未经批准，任何单位和个人不得从事认证活动。

Any entity or person may not undertake certification activities without approval.

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作为年会的一部分，与会者还可以提前参加一些相关的培训的认证活动。

As part of the conference, attendees will also be able to participate in pre-conference Training and Certification sessions.

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一行业组织周一称，担心“国菜”声誉的日本寿司业下月将发起一场外国寿司师傅认证活动。

Worried about the reputation of its national cuisine, Japan's sushi industry will next month launch a certification campaign for foreign sushi chefs.

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