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 顯示 1 - 11 of 11尋求幫助 尋找 Prior Year » RegExReplace » Product Number Prior Year » Revision Date Prior Year » Title 每頁顯示 2550100200 搜尋清除 產品編號 標題 修訂日期 Form 3921 Exercise of an Incentive Stock Option Under Section 422(b) 2017 Form 3921 Exercise of an Incentive Stock Option Under Section 422(b) 2013 Form 3921 Exercise of an Incentive Stock Option Under Section 422(b) 2010 Form 3921 Exercise of an Incentive Stock Option Under Section 422(b) 1978 Form 3921 Exercise of an Incentive Stock Option Under Section 422(b) 1976 Form 3921 Exercise of an Incentive Stock Option Under Section 422(b) 1967 Form 3921 Exercise of an Incentive Stock Option Under Section 422(b) 1965 Instruction 3921 & 3922 Instructions for Forms 3921 and 3922, Exercise on Incentive Stock Options Under Section 422(b) and Transfer of Stock Acquired Through an Employee Stock Purchase Plan Under Section 423(c) 2013 Instruction 3921 & 3922 Instructions for Forms 3921 and 3922, Exercise on Incentive Stock Options Under Section 422(b) and Transfer of Stock Acquired Through an Employee Stock Purchase Plan Under Section 423(c) 2011 Instruction 3921 & 3922 Instructions for Forms 3921 and 3922, Exercise on Incentive Stock Options Under Section 422(b) and Transfer of Stock Acquired Through an Employee Stock Purchase Plan Under Section 423(c) 2010 Instruction 3921 and 3922 Instructions for Forms 3921 and 3922, Exercise of an Incentive Stock Option Under Section 422(b) and Transfer of Stock Acquired Through an Employee Stock Purchase Plan Under Section 423(c) 2017