Find IRS forms, instructions, publications, and notices for prior years back to 1864. If a PDF file won't open, try downloading the file to your device and opening it using Adobe Acrobat. View more information about Using IRS Forms, Instructions, Publications and Other Item Files. Click on a column heading to sort the list by the contents of that column. Enter a term in the Find box Click the Search button 正在显示 1 - 7 of 7寻求帮助 发现 Prior Year » RegExReplace » Product Number Prior Year » Revision Date Prior Year » Title 显示每一页 2550100200 搜索清除 产品编号 标题 修订版日期 Form W-9S Request for Student's or Borrower's Taxpayer Identification Number and Certification 2017 Form W-9S Request for Student's or Borrower's Taxpayer Identification Number and Certification 2008 Form W-9S Request for Student's or Borrower's Taxpayer Identification Number and Certification 2007 Form W-9S Request for Student's or Borrower's Taxpayer Identification Number and Certification 2002 Form W-9S Request for Student's or Borrower's Taxpayer Identification Number and Certification 2000 Form W-9S Request for Student's or Borrower's Taxpayer Identification Number and Certification 1998 Form W-9S Request for Student's or Borrower's Taxpayer Identification Number and Certification 1997