The premium for retiree major medical insurance coverage payable by an employee whose disability benefit is terminated under AS 39.35.890(g) or by an eligible survivor whose survivor pension is terminated under AS 39.35.890(k) or 39.35.892(e) when the employee would have been eligible for normal retirement if the employee had survived shall be determined under AS 39.35.880(g)(2) as if the employee or survivor were eligible for Medicare.