(805 ILCS 35/19) (from Ch. 32, par. 1019)
    Sec. 19. The corporation shall set apart as an earned surplus at least 50% of its net earnings each year until such earned surplus equals the total of the capital and paid-in surplus then outstanding. Whenever the amount of the earned surplus is reduced below the requirement of this section, it shall be built up again to the required amount in the manner provided for in its original accumulation.
(Source: Laws 1965, p. 577.)