3.2 1.0 / 15 Updated for NPRR825 3.3 1.0 / 27 Updated for NPRR825 3.5 1.0 / 7 Updated for NPRR825 3.6 1.0 / 10 Updated for NPRR825 October 1, 3.7 1.0 / 15 Updated for NPRR825 2018 3.10 1.0 / 7 Updated for NPRR825 4.1 1.0 / 25 Updated for NPRR825 4.2 1.0 / 22 Updated for NPRR825 4.3 1.0 / 27 Updated for NPRR825 3.6 1.0 / 11 Added step to cancel message 3.7 1.0 / 16 steps to cancel message November 1, 4.1 1.0 / 26 steps to post and cancel messages 2018 4.2 1.0 / 23 Added step to cancel message 4.3 1.0 / 28 Added steps to post and cancel messages All procedures in this manual have been December 28, reviewed 2018 January 31, 3.3 1.0 / 28 Updated step 2 2019
3.2 3.3 3.5 3.6 3.7 3.10 4.1 4.2 4.3 1.0 / 15 1.0 / 27 1.0 / 7 1.0 / 10 1.0 / 15 1.0 / 7 1.0 / 25 1.0 / 22 1.0 / 27 Updated for NPRR825 Updated for NPRR825 Updated for NPRR825 Updated for NPRR825 Updated for NPRR825 Updated for NPRR825 Updated for NPRR825 Updated for NPRR825 Updated for NPRR825 October 1, 2018 3.6 3.7 4.1 4.2 4.3 1.0 / 11 1.0 / 16 1.0 / 26 1.0 / 23 1.0 / 28 Added step to cancel message steps to cancel message steps to post and cancel messages Added step to cancel message Added steps to post and cancel messages November 1, 2018 All procedures in this manual have been reviewed December 28, 2018 3.3 1.0 / 28 Updated step 2 January 31, 2019
DC_Tie_Desk_Operating_Procedure.docx