Dimapur, Feb. 2 (EMN): Department of Posts, Nagaland division, is scheduled to roll out core system integration (CSI) on February 8. As a result, all the post offices except head post office in Kohima would not accept any financial transaction including booking of letters/ parcels from February 2 to the 7th in order to settle and update all the financial balances in the new CSI system. The superintendent of post office, Razuzakie Phinyo, informed that the head post office in Kohima would not accept any financial transaction with effect from February 4 to the 7th for the same purpose. He, however, stated delivery of speed post articles and other mail services would continue to function normally during the stipulated period.