USCIS对国家利益豁免绿卡申请的评估方法
The USCIS' Two-Part Evaluation Approach for EB2 National Interest Waiver Petition
The USCIS' Two-Part Evaluation approach adjudication method applies to EB2 National Interest Waiver Petition. The evidence listed in the NIW regulations serve only as guidelines for the petitioner. Eventually, the submitted evidence should establish that the "proposed benefit will be national in scope", and the "national interest would be adversely affected if a Labor Certification were required."
USCIS adjudicators will use the Two-Part Evaluation process to evaluate the submitted evidence with an EB2 National Interest Waiver petition. First, USCIS adjudicators will evaluate the submitted evidence to determine which evidence meets the regulatory criteria, by a preponderance of the evidence. Second, USCIS adjudicators will evaluate the submitted evidence together, for the final merits determination regarding the total requirements for the EB2 National Interest Waiver immigrant visa category.
Simply presenting evidence which relates to the EB2 National Interest Waiver criteria does not necessarily mean that the immigrant visa application should be approved, since the USCIS adjudicator needs to evaluate the submitted evidence. If the USCIS adjudicator determines that the evidence does not meet the standard for EB2 National Interest Waiver classification, the additional evidence may be requested by USCIS, or Request For Evidence (RFE).
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http://www.greencardapply.com/niw/niw-questions.htm