https://sa2.www4.irs.gov/irfof/lang/en/irfofgetstatus.jsp
다음 사항을 준비하도록 하세요
1) Social Security Number or IRS Individual Taxpayer Identification
Number shown on your tax return.
2) Filing Status
Single
or Married-Filing Joint Return
or Married-Filing Separate Return
or Head of Household
or Qualifying Widow(er)
3)Refund Amount