; and (2) in the last sentence, by striking involved, and inserting involved (or, in the case of leave under subsection (a)(5), for purposes of the 30-day or 12-month period involved), . (c) Substitution of paid leave Section 6382(d) of such title is amended by adding at the end the following: (3) An employee may elect to substitute for any part of the period of leave under subsection (a)(5), any of the employee’s accrued or accumulated annual or sick leave. If the employee elects the substitution of that accrued or accumulated annual or sick leave for leave under subsection (a)(5), the employing agency shall not restrict or limit the leave that may be substituted or impose any additional terms and conditions on the substitution of such leave that are more stringent for the employee than the terms and conditions set forth in this subchapter. . (d) Notice Section 6382(e) of such title, as amended by section 3(b)(2), is further amended by adding at the end the following new paragraph: (4) In any case in which an employee requests leave under paragraph (5) of subsection (a), the employee shall— (A) provide the employing agency with not less than 7 days’ notice, or (if such notice is impracticable) such notice as is practicable, before the date the leave is to begin, of the employee’s intention to take leave under such paragraph; and (B) in the case of leave to be taken under subsection (a)(5)(A)(ii), make a reasonable effort to schedule the activity or care involved so as not to disrupt unduly the operations of the employing agency, subject to the approval of the health care provider involved (if any). . (e) Certification Section 6383(f) of such title is amended by striking paragraph (1)(E) or (3) of and inserting paragraph (1)(E), (3) or (5) of .