What do I do if I believe my Form 1099-G is not correct? July 22, 2021 20:36 Updated Contact the Missouri Division of Employment Security at 800-320-2519. Related articles How can I get a copy of the Form 1099-G? Can I access my Form 1099-G from prior tax years on UInteract? How long will it take for a weekly request for payment to be made? What is the fastest way to access benefits? What is reasonable assurance? How can I find out if I am eligible for unemployment benefits?