PUBLIC LAW 103-3 —FEB. 5, 1993 107 STAT. 11 leave to begin in less than 30 days, the employee shall provide such notice as is practicable. (2) DUTIES OF EMPLOYEE. —In any case in which the necessity for leave under subparagraph (C) or (D) of subsection (a)(1) is foreseeable based on planned medical treatment, the employee— (A) shall make a reasonable effort to schedule the treatment so as not to disrupt unduly the operations of the employer, subject to the approval of the health care provider of the employee or the health care provider of the son, daughter, spouse, or parent of the employee, as appropriate; and (B) shall provide the employer with not less than 30 days' notice, before the date the leave is to begin, of the employee's intention to take leave under such subparagraph, except that if the date of the treatment requires leave to begin in less than 30 days, the employee shall provide such notice as is practicable. (f) SPOUSES EMPLOYED BY THE SAME EMPLOYER. — In any case in which a husband and wife entitled to leave under subsection (a) are employed by the same employer, the aggregate number of workweeks of leave to which both may be entitled may be limited to 12 workweeks during any 12-month period, if such leave is taken— (1) under subparagraph (A) or (B) of subsection (a)(D; or (2) to care for a sick parent under subparagraph (C) of such subsection. SEC. 103. CERTIFICATION. 29 USC 2613. (a) IN GENERAL. —An employer may require that a request for leave under subparagraph (C) or (D) of section 102(a)(l) be supported by a certification issued by the health care provider of the eligible employee or of the son, daughter, spouse, or parent of the employee, as appropriate. The employee ^all provide, in a timely manner, a copy of such certification to the employer. (b) SUFFICIENT CERTIFICATION. —Certification provided under subsection (a) shall be sufficient if it states— (1) the date on which the serious health condition commenced; (2) the probable duration of the condition; (3) the appropriate medical facts within the knowledge of the health care provider regarding the condition; (4)(A) for purposes of leave under section 102(a)(l)(C), a statement that the eligible employee is needed to care for the son, daughter, spouse, or parent and an estimate of the amount of time that such employee is needed to care for the son, daughter, spouse, or parent; and (B) for purposes of leave under section 102(a)(l)(D), a statement that the employee is unable to perform the functions of the position of the employee; (5) in the case of certification for intermittent leave, or leave on a reduced leave schedule, for planned medical treatment, the dates on which such treatment is expected to be given and the duration of such treatment; (6) in the case of certification for intermittent leave, or leave on a reduced leave schedule, vuider section 102(a)(l)(D),
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