All disability insurers writing, issuing, or administering group health benefit plans shall make all of these health benefit plans renewable with respect to the policyholder, contractholder, or employer except in case of the following: (a) (1) Nonpayment of the required premiums by the policyholder, contractholder, or employer if the policyholder, contractholder, or employer has been duly notified and billed for the premium and at least a 30-day grace period has elapsed since the date of notification
(a) An enrollment or a subscription shall not be canceled or not renewed except for the following reasons: (1) (A) Except as otherwise specified in subparagraph (C), for nonpayment of the required premiums by the individual, employer, or contractholder if the individual, employer, or contractholder has been duly notified and billed for the charge and at least a 30-day grace period has elapsed since the date of notification or, if longer, the period of time required for notice and any other requirements