我去IRS的网站看过,不是非常肯定他的情况,但懒得深究,我自己也正忙着填税。
Filing IS required by nonresident alien students and scholars who have:
1) A taxable scholarship or fellowship, as described in Chapter 1 of Publication 970, Tax Benefits for Education;
2) Income partially or totally exempt from tax under the terms of a tax treaty; and/or
3) Any other income, which is taxable under the Internal Revenue Code.
Filing IS NOT required by nonresident alien students and scholars who have income ONLY from:
1) Foreign sources;
2) Interest Income from:
a. U.S. bank
b. a U.S. savings & loan institution
c. a U.S. credit union
d. a U.S. insurance company