R 081355Z DEC 20 MID600050055514U FM DFAS CLEVELAND OH// TO AIG 4676// AIG 4678// AIG 4730// BT UNCLAS MSGID/GENADMIN/DFAS-CL CODE JFLQ// SUBJ/"WHAT IF" SEPARATION SYSTEM (JPAM)// MILITARY PAY ADVISORY 33/20// POC/FIELD SERVICES/MPO-CL CODE JFLQ/ DSN 580-5742/ COMMERCIAL (216) 522-5742// RMKS/1. THE "WHAT IF" SEPARATION SYSTEM (JPAM) WILL BE UNAVAILABLE FROM 22 DECEMBER 2020 THRU 04 JANUARY 2021, TO UPDATE 2021 TAX TABLE AND INPUT 2021 MASS RATE CHANGES. 2. ON 05 JANUARY 2021, THE "WHAT IF" SEPARATION SYSTEM WILL BE AVAILABLE TO CALCULATE THE SEPARATION PAYMENT FOR SEPARATING MEMBER'S.//