; and (2) in subparagraph (C)(ii), by striking son, daughter, spouse, or parent and inserting employee's son or daughter, son-in-law, daughter-in-law, spouse or domestic partner, parent, parent-in-law, grandparent, grandchild, sibling, uncle or aunt, or nephew or niece, or (with relation to the employee) any other individual related by blood or affinity whose close association is the equivalent of a family relationship, as appropriate, . 3. Leave to care for a domestic partner, son-in-law, daughter-in-law, parent-in-law, adult child, grandparent, grandchild, or sibling of the employee, or another related individual for Federal employees (a) Definitions (1) Inclusion of a domestic partner, son-in-law, daughter-in-law, parent-in-law, adult child, grandparent, grandchild, or sibling of the employee, or another individual related by blood or affinity Section 6381 of title 5, United States Code, is amended— (A) in paragraph (11) by striking ; and and inserting a semicolon; (B) in paragraph (12), by striking the period and inserting a semicolon; and (C) by adding at the end the following: (13) the term any other individual related by blood or affinity whose close association is the equivalent of a family relationship , used with respect to an employee, means any person with whom the employee has a significant personal bond that is or is like a family relationship, regardless of biological or legal relationship; (14) the term domestic partner , used with respect to an employee, means— (A) the person recognized as the domestic partner of the employee under any domestic partnership or civil union law of a State or political subdivision of a State; or (B) in the case of an unmarried employee, an unmarried adult person who is in a committed, personal relationship with the employee, is not a domestic partner as described in subparagraph (A) or in such a relationship with any other person, and who is designated to the employing agency by such employee as that employee’s domestic partner