Form 1099-G can be used for several different kinds of income that are reported in different ways. What was the income for that is on the 1099-G? Which box of the 1099-G is the income in? The most common types of income reported on a 1099-G are unemployment benefits or a state or local income tax refund.
If the 1099-G is for a state or local income tax refund, which would be in box 2, what year is it for? The year is shown in box 3. On your federal income tax return for that year did you claim the standard deduction or itemized deductions?