C corporation tax returns: Form 1120 and California Form 100
The corporation's federal and California income tax returns.
- Agency
- IRS + CA Franchise Tax Board
- Who has to do it
- C corporations with a calendar tax year.
- If it's late
- Failure-to-file and failure-to-pay penalties plus interest.
Step by step
IRS Form 1120
Export last year's profit and loss.
Prepare Form 1120 and California Form 100.
Pay any balance due.
Or file extensions by the due date.
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