JAKARTA, Indonesia – The General Elections Commission (KPU) on Tuesday (June 3rd) officially declared the 2014 presidential campaign season open, local media reported.

The two candidates, Prabowo Subianto and Joko "Jokowi" Widodo, and their respective running mates, Hatta Rajasa and Jusuf Kalla, appeared at the formal kick off at Jakarta's Bidakara Hotel.

"We are declaring a peaceful campaign, run with integrity," KPU commissioner Arief Budiman said, according to kompas.com.

Representatives from the Elections Monitoring Agency (Bawaslu) and the Elections Organisers Ethics Council (DKPP) also were on hand.

Both Prabowo, of the Great Indonesia Movement party (Gerindra), and Jokowi, of the Indonesian Democratic Party of Struggle (PDI-P), pledged to run campaigns free of violence and intimidation.

The campaign period runs from June 4 until July 5, four days before the election.