Per IRS Publication 17, Your Federal Income Tax (For Individuals), on page 74:
Jury duty. Jury duty pay you receive must be included in your income on Schedule 1 (Form 1040), line 8. If you gave any of your jury duty pay to your employer because your employer continued to pay you while you served jury duty, include the amount you gave your employer as an income adjustment on Schedule 1 (Form 1040), line 22, and see the instructions there.
To enter jury duty pay in TaxAct:
Note that any link in the information above is updated each year automatically and will take you to the most recent version of the document at the time it is accessed.