Oct 08, 2018 As open enrollment approaches, now is a good time to analyze your Healthcare FSA. The PayFlex mobile app is a great resource that provides account information at your fingertips. You also have the ability to submit claims on the app. See the video and this FAQ document for more information regarding the PayFlex mobile app. Remember these dates: December 31, 2018 - the last day to incur expenses for the 2018 plan year March 31, 2019 – the last day to file claims for the 2018 plan year The carry-over provision allows you to carry-over up to $500 in unused funds to your 2019 account. Participation in the FSA in 2019 is required to carry-over funds. If you have questions or need additional information, you may contact PayFlex at 1-800-284-4885 or Human Resources at 256-824-6640.