It seems he has submitted H1B extension, so my undestanding is

來源: 於 2010-01-20 14:14:58 [舊帖] [給我悄悄話] 本文已被閱讀：次

as long as he got H1B extention receipt, he can continue to work while doesn't need to wait until H1B extention approved or neither I-140 approved (as long as I-140 pending more 365 days).