1. Short title This Act may be cited as the Grandparent-Grandchild Medical Leave Act . 2. Additional leave under the FMLA (a) Definitions (1) Inclusion of grandchild and grandparents Section 101 of the Family and Medical Leave Act of 1993 ( 29 U.S.C. 2611 ) is amended by adding at the end the following: (20) Grandchild The term grandchild means the son or daughter of an employee’s son or daughter. (21) Grandparent The term grandparent means a parent of a parent of an employee. . (2) Inclusion of adult children Section 101(12) of such Act ( 29 U.S.C. 2611(12) ) is amended, by striking who is— and all that follows and inserting and includes an adult child . (b) Leave requirement Section 102 of such Act ( 29 U.S.C. 2612 ) is amended— (1) in subsection (a)— (A) in paragraph (1)— (i) in subparagraph (A), by striking or daughter both places it appears and inserting , daughter, or grandchild ; (ii) in subparagraph (B), by striking or daughter and inserting , daughter, or grandchild ; (iii) in subparagraph (C), by striking or parent both places it appears and inserting grandchild, parent, or grandparent ; and (iv) in subparagraph (E), by striking or parent and inserting grandchild, parent, or grandparent ; (B) in paragraph (2), by striking or daughter and inserting , daughter, or grandchild ; and (C) in paragraph (3), by striking parent, and inserting grandchild, parent, grandparent, ; (2) in subsection (e)— (A) in paragraph (2)(A), by striking parent, and inserting grandchild, parent, grandparent, and (B) in paragraph (3), by striking or parent, and inserting grandchild, parent, or grandparent, ; and (3) in subsection (f)(B), by inserting or grandparent after parent . (c) Certification Section 103 of such Act ( 29 U.S.C. 2613 ) is amended— (1) in subsection (a), by striking or parent and inserting grandchild, parent, or grandparent ; (2) in subsection (b)(4)(A), by striking or parent and inserting grandchild, parent, or grandparent