You only need to include in your federal return your state or local tax refund(s), reported
in Box 2 of Form 1099-G, if you had taken a deduction on
your federal return for paying those state or
local taxes in a prior year. Box 3 of Form 1099-G
will indicate the relevant tax year. The itemized deduction for state and
local taxes paid is claimed on Form 1040 Schedule A Line 5a, State and Local
Income Taxes.
To enter your
Form 1099-G information into
TurboTax, please see the folllowing TurboTax FAQ, "Where do I enter a
1099-G for a state or local tax refund?":
https://ttlc.intuit.com/replies/4768356