Official explanation that with H1B Extension Receipt Notice?

来源: 于 2007-09-21 14:00:17 [旧帖] [给我悄悄话] 本文已被阅读：次

烦请告知上哪找:
"official explanation that with H1B Extension Receipt Notice I can legally stay and work for up to 240 days until I receive the Approval notice."

H1B expire on 10/01. Got only H1B Extension Receipt Notice. 申请加拿大VISA 用. 多谢.