Are you referring to the IRS Form 3468 Investment Credit?
TurboTax on IRS Form 3468 Investment Credit - https://turbotax.intuit.com/tax-tips/investments-and-taxes/what-is-form-3468-investment-credit/L886W...
IRS Form 3468 - https://www.irs.gov/forms-pubs/about-form-3468
Using the TurboTax online editions -
Click on Tax Tools on the left side of the online program screen.
Click on Tools
Click Topic Search
Type in 3468
On highlighted result, click on GO
