IRB
IRB is best known as the governing body for international rugby and as the ethics review committees that oversee research in academic, medical, and governmental settings.
Medical
Miscellaneous
Independent Reading Books
Inshore Rescue Boat
Infra Red Blocking
Industry Reference Black
Inflatable Rescue Boat
Community
Governmental
Immigration and Refugee Board (of Canada)
Initial Ready Brigade
Internal Review Board
Improved Ribbon Bridge
Internal Resources Bureau
Incident Report Book
Investigational Review Board