Overstay penalty
Check with the embassy for overstay penalties.A fine of roughly NOK 2,000 to 4,000 for an ordinary overstay, plus registration in the Schengen Information System (SIS) and a 1 to 3 year re-entry ban for exceeding the 90 day allowance, escalating to a longer ban, forced removal, and a permanent immigration record for a more serious case.