Cal. Ins. Code § 10192.11
(a)
(2)
(b)
(e)
(1) An individual enrolled in Medicare Part B is entitled to open enrollment described in this section for six months following:
(h)
(2) For purposes of this subdivision, the following provisions apply:
(F)
(J)
(i) An individual enrolled in Medicare Part B is entitled to open enrollment described in this section upon being notified that, because of an increase in the individual’s income or assets, they meet one of the following requirements: