主管部门未履行自己的法定职责。

The authority failed to carry out its statutory duties.

《牛津词典》

被告未履行他的法定义务。

The defendant is in breach of his statutory duty.

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如果供应商未提供约定的对价的内容，伍尔特有权根据中国法律的规定行使法定抵销权和保留权，并且有权拒绝履行合同义务。

Wurth may exercise its legal rights of set-off and retention as well as the right to refuse performance in accordance with the PRC laws if the supplier fails to render the agreed con-sideration.

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