For purposes of subdivision (d) of Labor Code Section 2066, "immediate family member" means spouse, domestic partner, cohabitant, child, stepchild, grandchild, parent, stepparent, mother-in-law, father-in-law, son-in-law, daughter-in-law, grandparent, great grandparent, brother, sister, half-brother, half-sister, stepsibling, brother-in-law, sister-in-law, aunt, uncle, niece, nephew, or first cousin (that is, a child of an aunt or uncle).
Cal. Code Regs. Tit. 8, § 13692
Note: Authority cited: Sections 55, 59, 95 and 98.8, Labor Code. Reference: Section 2066(d), Labor Code.