Oklahoma 2019 Session Dates: 02/03/2020 – 05/29/2020 Click bill number to view bill text Click summary to view legislation detail Oklahoma 2020 Bill Bill# SUMMARY LAST ACTION NOTES SB 405 Increases mandatory off-duty time for commercial drivers from 8 to 10 hours. 05/22/2020 Died upon adjournment. Carried-over from 2019. Bill Bill# SUMMARY LAST ACTION NOTES