3a. check "Employment"
3b. check "Other"
4a. 一般不适用，不必填写
5.
I am a nonresident alien student on an F-1 visa. Section 3121(b)(19)of the
Internal Revenue Code and the regulations thereunder state that a nonresiden
t alien student on an F-1 visa is not liable for paying Social Security and
Medicare taxes on his wages for as long as he is a nonresident alien under t
he residency rules stated in Section 7701(b) of the Internal Revenue Code.
Under Section 7701(b), a foreign student on an F-1 visa b
