; and (B) by striking who is— and all that follows and inserting and includes an adult child . (b) Leave Requirement Section 6382 of title 5, United States Code, is amended— (1) in subsection (a)— (A) in paragraph (1)— (i) in subparagraph (C), by striking spouse, or a son, daughter, or parent, of the employee, if such spouse, son, daughter, or parent and inserting spouse or domestic partner, or a son or daughter, son-in-law, daughter-in-law, parent, parent-in-law, grandparent, grandchild, sibling, uncle or aunt, or nephew or niece of the employee, or any other individual related by blood or affinity whose close association with the employee is the equivalent of a family relationship, if such spouse, domestic partner, son or daughter, son-in-law, daughter-in-law, parent, parent-in-law, grandparent, grandchild, sibling, uncle or aunt, or nephew or niece, or such other individual ; and (ii) in subparagraph (E), by striking spouse, or a son, daughter, or parent of the employee and inserting spouse or domestic partner, or a son or daughter, son-in-law, daughter-in-law, parent, parent-in-law, grandchild, sibling, uncle or aunt, or nephew or niece of the employee, or any other individual related by blood or affinity whose close association is the equivalent of a family relationship with the employee ; and (B) in paragraph (3), by striking spouse, son, daughter, parent, or next of kin of a covered servicemember and inserting spouse or domestic partner, son or daughter, son-in-law, daughter-in-law, parent, parent-in-law, grandparent, sibling, uncle or aunt, nephew or niece, or next of kin of a covered servicemember, or any other individual related by blood or affinity whose close association is the equivalent of a family relationship with the covered servicemember