in which such employer would not normally provide any such paid leave. . (e) Notice Section 102(e) of such Act ( 29 U.S.C. 2612(e) ) is amended by adding at the end the following: (4) Notice relating to bone marrow or blood stem cell donation leave In any case in which the necessity for leave under subsection (a)(5) is foreseeable based on planned predonation, donation, or postdonation activities, the employee— (A) shall, subject to the approval of the treatment provider of the activities, make a reasonable effort to schedule the treatment so as not to disrupt unduly the operations of the employer