如题,我父母的签证在批准网上延期了,只收到邮件说延了一个月,只有一句话:"Your Visit Pass (short term) which is issued on 3/10/2009 and valid till 2/11/2009 has been extended on the same condition to 2/12/2009 under Regulation 12(6) of Immigration Regulations."
是否他们需要去ICA在护照上盖个新章?