The deduction for a IRA Contribution is on Schedule 1 page 2 line 17. But if you were not eligible to deduct any IRA then it wouldn't be deducted and the excess contribution tax is still on schedule 2.
The IRA contribution is entered under
Federal On left
Deductions and Credits
Then scroll down to Retirement and Investments
Traditional and ROTH IRA Contributions - Click the Start or Update button
