by adding at the end the following new paragraph: (5) (A) Subject to subparagraph (B)(i) and section 6383(f), an employee shall be entitled to leave under this paragraph to participate in or attend a school conference or an activity that is sponsored by a school or community organization and relates to a program of the school or organization that is attended by a son or daughter or a grandchild of the employee. (B) (i) An employee is entitled to— (I) not to exceed 8 hours of leave under this paragraph during any 30-day period