"Submit current documentary evidence of all nonimmigrant status granted to you since your last lawful admission to the US xx/xx/2015 (date)." "Please also submit evidence that any and all employment sicen your last admission has been authorized by USCIS. Such evidence may include, but is not limited to ......... "
问题1）是：那这个日期之前的身份材料就不用交还是为保险都给他寄去？
-ONLy submit the docucments since your last entry as required.
问题2）是：他列了好几项有关雇用材料的名称，唯独没有 EVL（雇主的证明信），您觉得要不要提供？
-Not need. Only provide the EAD, H-1 approval with I-94, etc. whichever apply to you.
谢谢您的解答！！
