新规要求旅客进站应当出示有效客票和本人有效身份证件原件，配合工作人员查验。
The new regulations require passengers to stop the station should produce valid tickets and valid id original, with staff inspection.
对于难以判明是否已成年的，上述场所的工作人员可以要求其出示身份证件。
Where it is difficult to judge whether a person is juvenile or not, the worker of such a center may ask person to show his identity card.
请收好边检工作人员退还的证件。
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