You may be liable for a penalty if you overstate the value or adjusted basis of donated property.
The penalty is 20% of the underpayment of tax related to the overstatement if:
- The value or adjusted basis claimed on the return is 200% (150% for returns filed after August 17, 2006) or more of the correct amount, and
- You underpaid your tax by more than $5,000 because of the overstatement.
The penalty is 40%, rather than 20%, if:
- The value or adjusted basis claimed on the return is 400% (200% for returns filed after August 17, 2006) or more of the correct amount, and
- You underpaid your tax by more than $5,000 because of the overstatement.