FORMS: W-4: http://www.acctsite.com/articles/w4.pdf I-9: http://www.acctsite.com/articles/i-9.pdf AGENCIES: IRS: http://www.irs.ustreas.gov/ Social Security Admin: http://www.ssa.gov/ Quickbooks: http://quickbooks.intuit.com/ Track Your Refund: Federal: https://sa1.www4.irs.gov/irfof/lang/en/irfofgetstatus.jsp