早辦，以後綠卡也要辦。

For reference, the following credentials evaluators are the most widely recognized in the U.S. and accepted here at Duke:

• World Education Services (WES), NY, NY Tel: [phone]

• Educational Credentials Evaluators (ECE), Milwaukee, WI
www.ece.org Tel: [phone]

• International Education Research Foundation, LA, CA Tel: [phone]

• Josef Silny & Associates, Inc., International Education Consultants
P.O. Box 248233, Coral Gables, FL 33124 [e-mail]
Tel: [phone] Fax: [phone]

NOTE: Josef Silny is the only well-known, reputable evaluation service that will also do equivalency of work experience for immigration purposes -- for those rare occasions that it is needed.