I don't thing it always work that way. Sometimes, it depends on who is working on your file. My GCMS notes shows:
PAPER FILE HISTORY: 1
Location: FSW-APPEARS RFV
Created Date: 2015/02/06
Updated Date: 2015/02/06
In another section, it says
NOTES: 2
Created Date: 2015/02/06
Updated Date: 2015/02/06
Office: CPC-O
Text: Meds passed. Appears RFV. Submitted to officer for review.
Now, its more than a month and I still haven't heard from them. One thing is sure, it would not exceed 2015/03/23 which is my due date probably of receiving my PPR.