The policy feature that permits the policyowner to select the timing of premium payments is:

The waiver of premium is a feature that exempts the policyholder from paying premiums under specific circumstances, such as disability or critical illness. It does not give the policyowner the option to select the timing of premium payments.

Consideration refers to something of value exchanged between the parties in a contract, such as the premium paid by the policyholder in exchange for the insurance coverage. While important for forming a valid contract, consideration does not directly relate to choosing the timing of premium payments.

Nonforfeiture options are choices available to policyholders if they decide to surrender their policy for its cash value. These options typically include converting the policy into paid-up insurance or receiving the cash surrender value. They do not involve selecting the timing of premium payments.