What does internal affairs mean? Internal affairs may refer to: Internal affairs of a state. Internal affairs (law enforcement), a pision of a law enforcement agency which investigates cases of police misconduct. Ministry of Internal Affairs, a department of government, used by many countries for a national agency with jurisdiction in domestic issues.What is internal affairs investigation? Internal affairs investigations are law enforcement agency investigations into possible misconduct and/or criminal activity by their officers. Administrative versus criminal investigations. Administrative internal affairs investigations focus on whether an officer has engaged in noncriminal work-related misconduct.What is internal affairs department? Internal affairs. Internal affairs (law enforcement), a pision of a law enforcement agency which investigates cases of police misconduct Ministry of Internal Affairs, a department of government, used by many countries for a national agency with jurisdiction in domestic issues Internal affairs doctrine, a choice of law rule in corporations law.What is the internal affairs bureau? The Internal Affairs Bureau is responsible for ensuring the integrity of the department is maintained through an internal system where objectivity, fairness, and justice are assured by impartial investigation and review of all allegations of member misconduct and accusations against the department.