[1975] Lyons v. Montana Power Company [2/11/99] 1999 MTWCC 15 Claimant awarded ten-percent penalty under R.C.M. 92-849 (1975) for insurer's unreasonable delay in paying benefits where insurer told claimant that her file was closed and could not be reopened for payment of medical benefits without any legal basis or investigation and chose to litigate rather than take steps to determine the amounts due claimant.