; (2) in subsection (b)(4)(A), by striking or parent and inserting grandchild, parent, or grandparent ; and (3) in subsection (b)(7), by striking or spouse and inserting grandchild, grandparent, or spouse . (d) Employment and benefits protection Section 104(c)(3) of the Family and Medical Leave Act of 1993 ( 29 U.S.C. 2614(c)(3) ) is amended— (1) in subparagraph (A)(i), by striking or parent and inserting grandchild, parent, or grandparent ; and (2) in subparagraph (C)(ii), by striking or parent and inserting grandchild, parent, or grandparent . 3. Federal employees (a) Definitions (1) Inclusion of grandparents and grandchildren 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 grandchild means the son or daughter of an employee’s son or daughter; and (14) the term grandparent means a parent of a parent of an employee; . (2) Inclusion of adult children Section 6381(6) of such title is amended, 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)(1)(C), by striking or parent both places it appears and inserting grandchild, parent, or grandparent ; (2) in subsection (a)(1)(E), by striking or parent and inserting grandchild, parent, or grandparent ; (3) in subsection (a)(3), by striking parent, and inserting grandchild, parent, grandparent ; (4) in subsection (e)(2)(A), by striking parent, and inserting grandchild, parent, grandparent ; and (5) in subsection (e)(3), by striking or parent, and inserting grandchild, parent, or grandparent . (c) Certification Section 6383 of title 5, United States Code, is amended— (1) in subsection (a), by striking or parent and inserting grandchild, parent, or grandparent,