Find IRS forms, instructions, publications, and notices for prior years back to 1864. 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 1998 Form W-9S Request for Student's or Borrower's Taxpayer Identification Number and Certification 1997 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 2000 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 2002 Form W-9S Request for Student's or Borrower's Taxpayer Identification Number and Certification 2007