Final answer:
Liberalization states that the insured gets the benefit of any broadened coverage if the company adopts a form revision within 90 days of inception.
Step-by-step explanation:
The answer to the question is option 3: 90 days.
Liberalization states that if the insurance company adopts a form revision within 90 days of inception that is broader and without an increase in premium, the insured will get the benefit of the broadened coverage.