Track Your Federal Refund:
https://sa1.www4.irs.gov/irfof/lang/en/irfofgetstatus.jsp
Useful Links:
Internal Revenue Service -
http://www.irs.gov/
The U.S. Governments Official Web Portal -
http://www.usa.gov/
Oklahoma Tax Commission -
http://www.oktax.state.ok.us/
Oklahoma Official Web Site -
http://www.oklaosf.state.ok.us/