IT-OIC: Optional Investment Tax Credit Calculation (Revision 2025-07)
Georgia · Georgia DOR · Used for tax years 2025, 2026
Georgia Form IT-OIC calculates the Optional Investment Tax Credit for taxable years beginning on or after January 1, 2025. It calculates the aggregate credit based on investment property costs and the applicable county tier percentage, then determines the annual credit allowed us
What you'll need
The form asks for the following information:
- Company name, tax year end, and FEI number.
- Preapproval Letter I.D.
- Georgia county and tier where the investment is located.
- Initial investment or expansion date, and the date the property was first placed into service.
- Cost of all investment property purchased and the tier percentage.
- Tax liability for the base year and the two preceding years.
- Current-year tax liability and the sum of all credits previously used.
The form does not list documents to attach.
Common mistakes
- Using the wrong base year. The form notes that the base year is the year the property is first placed in service.
- Choosing the larger credit calculation. The form says the allowed amount must equal the lesser of Option 1 or Option 2.
Questions people ask
Which taxable years does this form cover?
The form states that it is for taxable years beginning on or after January 1, 2025.
How is the aggregate credit amount calculated?
Multiply the cost of all investment property purchased by the tier percentage. The form lists percentages of 6%, 8%, or 10%.
How do I calculate the base year average?
Add the tax liability for the year the property was first placed in service and the two preceding years. Divide that total by 3.
How much credit is allowed for the current year?
Use the lesser of these two calculations:
- Option 1: Subtract the base year average from current-year tax liability, then multiply the adjusted liability by 90%.
- Option 2: Subtract the sum of all credits previously used from the aggregate credit amount.