Amended U.S. Corporation Income Tax Return. This form is used by corporate taxpayers in order to correct a Form 1120 or Form 1120-A as it was originally filed, or as later adjusted by an amended return, a claim for refund, or an examination, or to make certain elections after the prescribed deadline.

Related information about 1120-X Form:

1. What is 1120-X Form? definition and meaning
   Definition of 1120-X Form: Amended U.S. Corporation Income Tax Return. This form is used by corporate taxpayers in order to correct a Form 1120 or Form ...
    
2. What is 1120-W Form? definition and meaning
   1120-S Form · 1120-S Form Sche... 1120-S Form Sche... 1120-S Form Sche... 1120-SF Form · 1120-X Form · 125% loan · 12b-1 fee · 12b-1 funds · 12b-1 plan ...
    
3. What is 1120-SF Form? definition and meaning
   Nearby Terms. 1120-RIC Form · 1120-S Form · 1120-S Form Sche... 1120-S Form Sche... 1120-S Form Sche... 1120-W Form · 1120-X Form · 125% loan · 12b -1 ...
    
4. What is 1120-S Form Schedule K-1? definition and meaning
   1120-POL Form · 1120-REIT Form · 1120-RIC Form · 1120-S Form · 1120-S Form Sche... 1120-S Form Sche... 1120-SF Form · 1120-W Form · 1120-X Form ...
    
5. What is 1120-S Form Schedule M-3? definition and meaning
   Nearby Terms. 1120-REIT Form · 1120-RIC Form · 1120-S Form · 1120-S Form Sche... 1120-S Form Sche... 1120-SF Form · 1120-W Form · 1120-X Form · 125% ...
    
6. What is 125% loan? definition and meaning
   1120-S Form Sche... 1120-S Form Sche... 1120-SF Form · 1120-W Form · 1120-X Form · 12b-1 fee · 12b-1 funds · 12b-1 plan · 130-30 strategy · 183-day rule ...
    
7. What is claim for refund? definition and meaning
   Related Terms. 1120 Form Schedule O · 1120-X Form · 941-X Form. Browse by Letter: #ABCDEFGHIJKLMNOPQRSTUVWXYZ ...
    
8. Schedule UB/NLD Instructions - Illinois Department of Revenue
   Page 1 of 4. Attach to your Form IL-1120, Form IL-1120-X, Form IL-1120X-PY. For Illinois net losses arising in tax years ending on or after December 31, 1986.