What does SIR stand for?
SIR stands for "Special Investigative Requirement"
How to abbreviate "Special Investigative Requirement"?
"Special Investigative Requirement" can be abbreviated as SIR
What is the meaning of SIR abbreviation?
The meaning of SIR abbreviation is "Special Investigative Requirement"
What does SIR mean?
SIR as abbreviation means "Special Investigative Requirement"
