Sec. 37.5. (a) Nothing in this chapter prohibits or regulates the payment of dividends, savings, or unabsorbed premium deposits allowed or returned by companies to their policyholders, members, or subscribers, but in the payment of such dividends there shall be no unfair discrimination between policyholders.
(b) A plan for the payment of dividends, savings, or unabsorbed premium deposits allowed or returned by companies to their policyholders, members, or subscribers is not considered a rating plan or system.
(c) It is an unfair trade practice to make the payment of a dividend or any portion thereof conditioned upon renewal of the policy or contract.