The police unit that protects the Prime Minister and other VIPs has had another budget blowout - this time by almost $1.3 million.
The police had a budget of just under $5 million in the financial year to June 2013 but spent more than $6.2 million. It is the fourth year in a row the budget has been blown by the diplomatic protection squad.
Inspector Phil Jones, the officer in charge of the squad, said it was difficult to forecast accurately the budget because of the nature of their work.
But part of the overspending has been blamed on a system introduced to reduce time off in lieu accrued by staff while on protection duties.
"A new, more efficient roster and deployment system was implemented during the 2012-13 year ... To assist in the introduction of the new system, the existing time off in lieu balances which had been accrued over the previous years were paid out to DPS staff," Mr Jones said.