I didn't cash old tax return checks, they are past the 'void dates' what should I do?

[aarnkelley]

one check is from the state of GA last year and one is from US treasury from with "KELL PHILAD 12/2015 TAX REFUND" what should I do?

[Opus 17]

If the checks are expired and your bank won't honor them, contact each payer to have them reissued.  The IRS procedure is here.  https://www.irs.gov/help-resources/tools-faqs/faqs-for-individuals/frequently-asked-tax-questions-an...

You will have to check your state for their procedure.