It derives its responsibility from the Independent Police Conduct Authority Act.

Some have been investigated by the Independent Police Conduct Authority; others have received significant publicity.

However, the Independent Police Conduct Authority later found 33 had been "filed incorrectly" or "inappropriately resolved".

In November 2007, the Independent Police Conduct Authority was established employing independent investigators.

A 2008 investigation by the Independent Police Conduct Authority cleared Broad of allegations he had "pulled rank" to avoid being breath tested in 1992.

The Independent Police Conduct Authority found the police had sufficient information on the situation and had the ability to prevent the murder, but failed to respond appropriately.

The Independent Police Conduct Authority is an independent body that considers complaints against New Zealand Police and oversees their conduct.

A 2010 report by the Independent Police Conduct Authority cleared police of allegations by Keith Hunter and Chris Watson.

The Independent Police Conduct Authority (IPCA) conducted an inquiry, during which the witness withdrew the allegations of misconduct.

In April 2012, Parliament appointed Carruthers as the new chairman of the Independent Police Conduct Authority (IPCA).

In June 2012 the Independent Police Conduct Authority (IPCA) released a comprehensive report on deaths in police custody.

Though never charged with an offence, the Independent Police Conduct Authority informed him in June 2009 that he would need to apply to the Courts to get his property back.

That year police conducted the fourth review of pursuit policy in six years and ignored key recommendations of the Independent Police Conduct Authority making only minor changes to the policy.

In April 2012, Judge Sir David Carruthers, former chairman of the New Zealand Parole Board, was appointed Chair of the Independent Police Conduct Authority for a term of five years.

The National Shooters Association of NZ (formed largely as a result of the reinterpretation) laid a complaint on 12 August 2009 with the Independent Police Conduct Authority regarding the advertising of the change.

He practiced law in New Plymouth, then served as a High Court judge from 1969 to 1988 before becoming the first head of New Zealand's Police Complaints Authority (now the Independent Police Conduct Authority).

The Independent Police Conduct Authority launched a wider investigation into the treatment of young people in police cells and in October 2012 issued a report which found that the number of young people being held has more than doubled since 2009.

The family's lawyer, Colin Pidgeon QC, said Ms Fuimaono has a strong case in that the Independent Police Conduct Authority had pointed out "serious dereliction of duties" by the officers involved and "she feels unless she seeks compensation, justice will not be done."

Sir David Carruthers, a former Chief District Court Judge and now head of the Independent Police Conduct Authority, says the drop in the crime rate in New Zealand is partly due to a drive to reduce the number of teenagers being suspended or expelled from school.