第六十条 外国人有本法第五十九条第一款规定情形之一的，经当场盘问或者继续盘问后仍不能排除嫌疑，需要作进一步调查的，可以拘留审查。

    实施拘留审查，应当出示拘留审查决定书，并在二十四小时内进行询问。发现不应当拘留审查的，应当立即解除拘留审查。

       拘留审查的期限不得超过三十日；案情复杂的，经上一级地方人民政府公安机关或者出入境边防检查机关批准可以延长至六十日。对国籍、身份不明的外国人，拘留审查期限自查清其国籍、身份之日起计算。

    Article 60 Where foreigners involved in any of the circumstances specified in the first paragraph of Article 59 of this Law cannot be cleared of suspicion after on-the-spot interrogation or continued interrogation and therefore need to be further investigated, he may be detained for investigation.

    When detaining a foreigner for investigation, the authority concerned shall present a written decision on detention for investigation and shall interrogate the detained foreigner within 24 hours. Where the aforesaid organ finds that a foreigner should not be detained for investigation, it shall immediately release him from detention for investigation.

    The period of detention for investigation shall not exceed 30 days; for complicated cases, the period may be extended to 60 days upon approval by the public security organs under the local people’s governments at the next higher level or by the exit/entry border inspection authorities at the next higher level. For foreigners whose nationalities and identities are unknown, the period of detention for investigation shall be calculated from the date when their nationalities and identities are found out. 

    第六十一条 外国人有下列情形之一的，不适用拘留审查，可以限制其活动范围：

    （一）患有严重疾病的；

    （二）怀孕或者哺乳自己不满一周岁婴儿的；

    （三）未满十六周岁或者已满七十周岁的；

    （四）不宜适用拘留审查的其他情形。

  Article 61 Under any of the following circumstances, detention for investigation is not applicable to foreigners, however, their movements may be restricted:

    (1) Suffer from serious diseases;

    (2) Are pregnant or breast-feeding their own infants under one year of age;

    (3) Are under 16 years of age or have reached the age of 70; or

    (4) Other circumstances in which detention for investigation should not be applied.