; and (B) in paragraph (3), 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 or daughter-in-law, parent, parent-in-law, grandchild, sibling, uncle or aunt, or nephew or niece of the employee, or any other individual whose close association is the equivalent of a family relationship with the employee, as appropriate, . (c) Certification Section 6383 of title 5, United States Code, is amended— (1) in subsection (a), by striking son, daughter, spouse, or parent of the employee, as appropriate and inserting son or daughter, son-in-law or daughter-in-law, spouse or domestic partner, parent, parent-in-law, grandparent, grandchild, sibling, uncle or aunt, or nephew or niece of the employee, or any other individual whose close association is the equivalent of a family relationship with the employee, as appropriate ; and (2) in subsection (b)(4)(A), by striking son, daughter, spouse, or parent, and an estimate of the amount of time that such employee is needed to care for such son, daughter, spouse, or parent and inserting son or daughter, son-in-law or daughter-in-law, spouse or domestic partner, parent, parent-in-law, grandparent, grandchild, sibling, uncle or aunt, or nephew or niece of the employee, or any other individual whose close association is the equivalent of a family relationship with the employee, as appropriate, and an estimate of the amount of time that such employee is needed to care for such son or daughter, son-in-law or daughter-in-law, spouse or domestic partner, parent, parent-in-law, grandparent, grandchild, sibling, uncle or aunt, or nephew or niece, or such other individual . 4. Entitlement to additional leave under the FMLA for parental involvement and family wellness (a) Leave requirement Section 102(a) of the Family and Medical Leave Act of 1993 ( 29 U.S.C. 2612(a) ), as amended by section 2(b), is further amended— (1) by redesignating paragraph (5) as paragraph (6)