Where do I enter information I received for a Maryland 2022 refund form 1099G?

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 Other Common Income
On Refunds Received for State/Local Tax Returns, click the start or update button

Or enter state refunds in the Search box located in the upper right of the program screen. Click on Jump to state refunds