Where's My Refund
https://sa1.www4.irs.gov/irfof/lang/en/irfofgetstatus.jsp

Internal Revenue Service
http://www.irs.gov/

Form W-4
http://www.irs.gov/pub/irs-pdf/fw4.pdf

Form W-9
http://www.irs.gov/pub/irs-pdf/fw9.pdf

Employer Identification Number/Federal Tax Identification Number Application
https://sa2.www4.irs.gov/modiein/individual/legal-structure.jsp

Social Security Online
http://www.ssa.gov/

Washington State Department of Revenue
http://dor.wa.gov/Content/Home/Default.aspx

Washington State Department of Labor & Industries
http://www.lni.wa.gov/

Oregon State Department of Revenue
http://www.oregon.gov/DOR/Pages/index.aspx

Oregon State Workers' Compensation Division
http://www.cbs.state.or.us/wcd/