To enter a state or local tax refund (Form 1099-G) -
Click on Federal Taxes (Personal using Home and Business)
Click on Wages and Income (Personal Income using Home and Business)
Click on I'll choose what I work on (if shown)
Scroll down to 1099-MISC and Other Common Income
Scroll down to Other Common Income
On Refunds Received for State/Local Tax Returns, click the start or update button