"We will confirm our intention to be a candidate for hosting the games before the November 14 deadline," Ingunn Olsen, a spokeswoman for the Oslo2012 committee told AFP a week ahead of the closing date for applications.
Already considered one of the favourites to host -- not least due to the success of the 1994 Winter Olympics in Lillehammer -- the bid won the support of more than half of the city's population (55,1 percent) in a recent referendum.
Oslo faces tough competition from a long list of declared or expected candidates including Beijing, the German city of Munich, Almaty in Kazakhstan, Lviv in Ukraine and a joint bid from Krakow in Poland and neighbouring Slovakia.
According to Norwegian media reports, the newly elected centre-right Minister for Culture, Thorhild Widvey, supports Oslo's bid.
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The host town is expected to be announced on July 31, 2015. The 2014 Winter Games take place in Sochi, Russia and the 2018 event in
Pyeongchang, South Korea.