1998 Corporation Business Tax Returns
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| Name | Type | Description |
| CT-1120 | Booklet | 1998 Connecticut Corporation Business Tax Instructions |
| CT-1120 |
Form | 1998 Corporation Business Tax Return |
| CT-1120/ CT-1120S ATT | Form & Inst. | 1998 Corporation Business Tax Return Attachment Schedules H, I, and J |
| CT-1120K | Form | 1998 Business Tax Credit Summary |
| CT-1120I | Form & Inst. | 1998 Computation of Interest Due on Underpayment of Estimated Tax (with instructions) |
| CT-1120X | Form | 1998 Amended Corporation Business Tax Return |
Other Corporation Tax Forms and Instructions
| Name | Type | Description |
| CT-1120A | Form | 1998 Corporation Business Tax Return Apportionment Computation |
| CT-1120A-A | Form | 1998 Corporation Business Tax Return Apportionment Computation-Air Carriers |
| CT-1120A-BMC | Form | 1998 Corporation Business Tax Return Apportionment Computation - Motor Bus and Motor Carrier Companies |
| CT-1120 A-CCA | Form | 1998 Corporation Business Tax Return Apportionment Computation of Income From Credit Card Activities |
| CT-1120A-IRIC | Form | 1998 Corporation Business Tax Return Apportionment Computation of Income from Services to Regulated Investment Companies |
| CT-1120A-LP | Form | 1998 Corporation Business Tax Return Apportionment of Limited Partnership Interests |
| CT-1120A-SBC | Form | 1998 Corporation Business Tax Return Apportionment Computation - Securities Brokerage Services |
| CT-1120 CC | Form | Authorization and Consent to be Included in a Combined Corporation Business Tax Return |
| CT-1120CR | Form | 1998 Combined Corporation Business Tax Return (Form Only) |
| CT-1120CR | Instructions | 1998 Combined Corporation Business Tax Return Instructions |
| CT-1120OC | Form | 1998 Opportunity Certificate Credit |
| CT-1120CRMC | Form | 25% Manufacturing Facility Credit for Facilities Located in a Targeted Investment Community (Combined Return) |
| CT-1120CRMCEZ | Form | 50% Manufacturing Facility Credit for Facilities Located in a Enterprise or Entertainment District (Combined Return) |
| CT-1120L | Form | Corporation Business Tax Credit - Life Insurance Company |
| CT-1120MC | Form | 25% Manufacturing Facility Credit for Facilities Located in a Targeted Investment Community |
| CT-1120MCEZ | Form | 50% Manufacturing Facility Credit for Facilities Located in a Enterprise or Entertainment District |
| CT-1120 EDPC | Form | 1998 Electronic Data Processing Equipment Property Tax Credit |
| CT-1120 FCIC | Form | 1998 Fixed Capital Investment Credit |
| CT-1120 GC | Form | 1998 Tax Credit for Research and Development Grants to Institutions of Higher Education |
| CT-1120 HCIC | Form | 1998 Human Capital Investment Credit |
| CT-1120 MEC | Form | 1998 Machinery and Equipment Expenditure Credit |
| CT-1120 RC | Form | 1998 Research and Experimental Expenditures Credit |
| CT-1120 RDC | Form | 1998 Research and Development Credit |