R 211719Z DEC 23 MID600117026680U FM DFAS CLEVELAND OH TO AIG 4676 AIG 4678 INFO DFAS CLEVELAND OH BT UNCLAS SUBJ/"WHAT IF" SEPARATION SYSTEM (JPAM)// MILITARY PAY ADVISORY 25/23// POC/ STEVEN BREST SYSTEM LIAISON AND PROCEDURE DIVISION/MPO-CL CODE JFLQ/STEVEN.J.BREST.CIV@MAIL.MIL// RMKS/1. The "WHAT IF" Separation System (JPAM) will be unavailable from 22 December 2023 thru 02 January 2024, to update 2024 tax table and input the 2024 mass rate changes 2. On 03 January 2024, the "WHAT IF" Separation System will be available to calculate separation payments for separating members.// BT