(a) An eligible surviving dependent who is a minor child is entitled to purchase or continue to purchase health insurance coverage until the date the dependent reaches the age of 18 or a later date to the extent required by state or federal law.
(b) An eligible surviving dependent who is not a minor child is entitled to purchase or continue to purchase health insurance coverage until the earlier of:
(1) the date the dependent becomes eligible for group health insurance through another employer; or
(2) the date the dependent becomes eligible for federal Medicare benefits.