When must claims involving disability income payments be paid?

The correct choice is that claims involving disability income payments must be paid at least monthly. This requirement reflects the nature of disability income insurance, which is designed to replace lost income due to a policyholder's inability to work because of a qualifying disability. Monthly payments help to ensure that the insured can manage their living expenses and financial obligations in a timely manner, mimicking the regularity of income they would have received from employment.

This frequency of payment is aligned with the purpose of disability income insurance, which aims to provide immediate financial support during a period of disability, thereby reducing the insured's financial strain. The monthly payment structure makes the coverage more practical and helpful in maintaining the person's quality of life while they recover.

Other options such as payment within a specific number of days or annually do not align with the urgency and consistent need for financial support during disability. Immediate and regular payments are crucial for managing ongoing financial responsibilities.