Government Forms & FREQUENTLY USED LINKS Government & Other Important Links Where’s My Refund (IRS) View Details » Where’s My Refund (NE) View Details » File and Pay NE Sales Tax View Details » File & Pay NE Withholding Tax View Details » NE Department of Labor View Details » Form W-4: Employee’s Withholding Certificate View Details » Form W-9: Request for Taxpayer Identification Number & Certification View Details »