Cal. Unemp. Ins. Code § 3302.1
(a) For purposes of this chapter:
(2) “Disability benefit period” with respect to any individual, means the period of unemployment beginning with the first day an individual establishes a valid claim for family temporary disability insurance benefits to care for a seriously ill family member, to bond with a minor child during the first year after the birth or placement of the child in connection with foster care or adoption, or to participate in a qualifying exigency related to the covered active duty or call to covered active duty of the individual’s spouse, domestic partner, child, or parent in the Armed Forces of the United States.