79(5)Subject to subsection (6), in the case of all classes of insurance other than life insurance, and in the case of all insurers, the statement shall show as a liability of the insurer, eighty per cent of the actual portions of unearned premiums on all business in force on the thirty-first day of December then last past, or eighty per cent of fifty per cent of the premiums written in its policies and received in respect of contracts having one year or less to run, and
pro rata on those for longer periods.